"Errors during submodule fetch"

Hello,

I tried to run git fetch upstream in my forked repo GitHub - ntouev/ardupilot: ArduPlane, ArduCopter, ArduRover, ArduSub source but got this error message. Any ideas?

Fetching submodule modules/ChibiOS
Fetching submodule modules/DroneCAN/pydronecan
Fetching submodule modules/mavlink
Fetching submodule modules/waf
From https://github.com/ArduPilot/waf
 * branch              4996768a2f9659695f7300a2352a91474cb5b060 -> FETCH_HEAD
fatal: remote error: upload-pack: not our ref 6e20bc343c44f8932de9b88c3756f6ed9e9b18f3
From https://github.com/DroneCAN/pydronecan
 * branch            7dd0cbdcd1d2a6a15cfcb4717e4f25f735173cc9 -> FETCH_HEAD
fatal: remote error: upload-pack: not our ref 8ec0aa3ccf1bcf644cf20b141c3454778811c51e
Errors during submodule fetch:
        modules/mavlink
        modules/ChibiOS

The full log is here

[13ms][master][~/ardupilot]$ git fetch upstream
remote: Enumerating objects: 52417, done.
remote: Counting objects: 100% (27041/27041), done.
remote: Compressing objects: 100% (588/588), done.
remote: Total 52417 (delta 26604), reused 26759 (delta 26450), pack-reused 25376
Receiving objects: 100% (52417/52417), 35.84 MiB | 10.20 MiB/s, done.
Resolving deltas: 100% (33785/33785), completed with 5654 local objects.
From https://github.com/ArduPilot/ardupilot
 * [new branch]            APMrover2-3.1.1                -> upstream/APMrover2-3.1.1
 * [new branch]            APMrover2-release              -> upstream/APMrover2-release
 * [new branch]            AP_Periph-1.0                  -> upstream/AP_Periph-1.0
 * [new branch]            AP_Periph-1.1                  -> upstream/AP_Periph-1.1
 * [new branch]            AP_Periph-1.2                  -> upstream/AP_Periph-1.2
 * [new branch]            AP_Periph-1.3                  -> upstream/AP_Periph-1.3
 * [new branch]            AP_Periph-1.4                  -> upstream/AP_Periph-1.4
 * [new branch]            AP_Periph-1.5                  -> upstream/AP_Periph-1.5
 * [new branch]            AP_Periph-1.6                  -> upstream/AP_Periph-1.6
 * [new branch]            AP_Periph-1.7                  -> upstream/AP_Periph-1.7
 * [new branch]            AntennaTracker-release         -> upstream/AntennaTracker-release
 * [new branch]            ArduCopter-2.8.1               -> upstream/ArduCopter-2.8.1
 * [new branch]            ArduCopter-2.9                 -> upstream/ArduCopter-2.9
 * [new branch]            ArduCopter-3.0                 -> upstream/ArduCopter-3.0
 * [new branch]            ArduCopter-3.1                 -> upstream/ArduCopter-3.1
 * [new branch]            ArduCopter-3.1.1               -> upstream/ArduCopter-3.1.1
 * [new branch]            ArduCopter-3.1.2               -> upstream/ArduCopter-3.1.2
 * [new branch]            ArduCopter-3.2                 -> upstream/ArduCopter-3.2
 * [new branch]            ArduCopter-3.2.1               -> upstream/ArduCopter-3.2.1
 * [new branch]            ArduPlane-release              -> upstream/ArduPlane-release
 * [new branch]            ArduPlane-release-AVR          -> upstream/ArduPlane-release-AVR
 * [new branch]            Copter-3.3                     -> upstream/Copter-3.3
 * [new branch]            Copter-3.3-pixracer            -> upstream/Copter-3.3-pixracer
 * [new branch]            Copter-3.4                     -> upstream/Copter-3.4
 * [new branch]            Copter-3.5                     -> upstream/Copter-3.5
 * [new branch]            Copter-3.6                     -> upstream/Copter-3.6
 * [new branch]            Copter-3.6.8-hotfix            -> upstream/Copter-3.6.8-hotfix
 * [new branch]            Copter-4.0                     -> upstream/Copter-4.0
 * [new branch]            Copter-4.0-ODID                -> upstream/Copter-4.0-ODID
 * [new branch]            Copter-4.1                     -> upstream/Copter-4.1
 * [new branch]            Copter-4.1-ODID                -> upstream/Copter-4.1-ODID
 * [new branch]            Copter-4.2                     -> upstream/Copter-4.2
 * [new branch]            Copter-4.3                     -> upstream/Copter-4.3
 * [new branch]            Copter-4.4                     -> upstream/Copter-4.4
 * [new branch]            Copter-4.5                     -> upstream/Copter-4.5
 * [new branch]            Hwurzburg-patch-1              -> upstream/Hwurzburg-patch-1
 * [new branch]            Plane-4.1                      -> upstream/Plane-4.1
 * [new branch]            Plane-4.2                      -> upstream/Plane-4.2
 * [new branch]            Plane-4.3                      -> upstream/Plane-4.3
 * [new branch]            Plane-4.4                      -> upstream/Plane-4.4
 * [new branch]            Plane-4.5                      -> upstream/Plane-4.5
 * [new branch]            Rover-3.2                      -> upstream/Rover-3.2
 * [new branch]            Rover-3.3                      -> upstream/Rover-3.3
 * [new branch]            Rover-3.4                      -> upstream/Rover-3.4
 * [new branch]            Rover-3.5                      -> upstream/Rover-3.5
 * [new branch]            Rover-4.0                      -> upstream/Rover-4.0
 * [new branch]            Rover-4.1                      -> upstream/Rover-4.1
 * [new branch]            Rover-4.2                      -> upstream/Rover-4.2
 * [new branch]            Rover-4.3                      -> upstream/Rover-4.3
 * [new branch]            Rover-4.4                      -> upstream/Rover-4.4
 * [new branch]            Rover-4.4-Aug31-tests          -> upstream/Rover-4.4-Aug31-tests
 * [new branch]            Rover-4.5                      -> upstream/Rover-4.5
 * [new branch]            Sub-3.5                        -> upstream/Sub-3.5
 * [new branch]            Sub-3.6                        -> upstream/Sub-3.6
 * [new branch]            Sub-4.0                        -> upstream/Sub-4.0
 * [new branch]            Sub-4.1                        -> upstream/Sub-4.1
 * [new branch]            Sub-4.5                        -> upstream/Sub-4.5
 * [new branch]            Tracker-1.1                    -> upstream/Tracker-1.1
 * [new branch]            Tracker-4.2                    -> upstream/Tracker-4.2
 * [new branch]            Tracker-4.4                    -> upstream/Tracker-4.4
 * [new branch]            Tracker-4.5                    -> upstream/Tracker-4.5
 * [new branch]            chibios-rebase-jan2020         -> upstream/chibios-rebase-jan2020
 * [new branch]            coverity_scan                  -> upstream/coverity_scan
 * [new branch]            master                         -> upstream/master
 * [new branch]            master-AVR                     -> upstream/master-AVR
 * [new branch]            plane3.8                       -> upstream/plane3.8
 * [new branch]            plane3.9                       -> upstream/plane3.9
 * [new branch]            plane4.0                       -> upstream/plane4.0
 * [new branch]            pr-network-bl-status           -> upstream/pr-network-bl-status
 * [new branch]            revert-25273-matek765se-bdshot -> upstream/revert-25273-matek765se-bdshot
 * [new tag]               -2.69                          -> -2.69
 * [new tag]               -2.70                          -> -2.70
 * [new tag]               -2.72                          -> -2.72
 * [new tag]               -2.74                          -> -2.74
 * [new tag]               -2.74b                         -> -2.74b
 * [new tag]               -2.75                          -> -2.75
 * [new tag]               -2.78                          -> -2.78
 * [new tag]               -2.78b                         -> -2.78b
 * [new tag]               -3.0.0                         -> -3.0.0
 * [new tag]               -3.0.1                         -> -3.0.1
 * [new tag]               -3.0.2                         -> -3.0.2
 * [new tag]               -3.0.3                         -> -3.0.3
 * [new tag]               -3.1.0                         -> -3.1.0
 * [new tag]               -3.2.0                         -> -3.2.0
 * [new tag]               -3.3.0                         -> -3.3.0
 * [new tag]               -3.5.1                         -> -3.5.1
 * [new tag]               -3.5.2                         -> -3.5.2
 * [new tag]               -3.6.0                         -> -3.6.0
 * [new tag]               -3.7.0                         -> -3.7.0
 * [new tag]               -3.7.0-beta1                   -> -3.7.0-beta1
 * [new tag]               -beta-AVR                      -> -beta-AVR
 * [new tag]               -stable-AVR                    -> -stable-AVR
 * [new tag]               AION-Orca-Alpha1               -> AION-Orca-Alpha1
 * [new tag]               AION-Orca-Alpha2               -> AION-Orca-Alpha2
 * [new tag]               APMrover2-2.44                 -> APMrover2-2.44
 * [new tag]               APMrover2-2.45                 -> APMrover2-2.45
 * [new tag]               APMrover2-2.46                 -> APMrover2-2.46
 * [new tag]               APMrover2-2.49                 -> APMrover2-2.49
 * [new tag]               APMrover2-2.50                 -> APMrover2-2.50
 * [new tag]               APMrover2-3.0.0                -> APMrover2-3.0.0
 * [new tag]               APMrover2-3.1.0                -> APMrover2-3.1.0
 * [new tag]               AP_Periph-1.0.0                -> AP_Periph-1.0.0
 * [new tag]               AP_Periph-1.5.0                -> AP_Periph-1.5.0
 * [new tag]               AP_Periph-1.5.1                -> AP_Periph-1.5.1
 * [new tag]               AP_Periph-1.6.0                -> AP_Periph-1.6.0
 * [new tag]               AP_Periph-beta                 -> AP_Periph-beta
 * [new tag]               AP_Periph-stable               -> AP_Periph-stable
 * [new tag]               AntennaTracker-beta            -> AntennaTracker-beta
 * [new tag]               ArduCopter-2.8.1               -> ArduCopter-2.8.1
 * [new tag]               ArduCopter-2.9.1b              -> ArduCopter-2.9.1b
 * [new tag]               ArduCopter-3.0-rc1             -> ArduCopter-3.0-rc1
 * [new tag]               ArduCopter-3.0-rc2             -> ArduCopter-3.0-rc2
 * [new tag]               ArduCopter-3.0-rc3             -> ArduCopter-3.0-rc3
 * [new tag]               ArduCopter-3.0-rc4             -> ArduCopter-3.0-rc4
 * [new tag]               ArduCopter-3.1.0-rc1           -> ArduCopter-3.1.0-rc1
 * [new tag]               ArduCopter-3.1.0-rc2           -> ArduCopter-3.1.0-rc2
 * [new tag]               ArduCopter-3.1.0-rc3           -> ArduCopter-3.1.0-rc3
 * [new tag]               ArduCopter-3.1.0-rc4           -> ArduCopter-3.1.0-rc4
 * [new tag]               ArduCopter-3.1.0-rc5           -> ArduCopter-3.1.0-rc5
 * [new tag]               ArduCopter-3.1.0-rc6           -> ArduCopter-3.1.0-rc6
 * [new tag]               ArduCopter-3.1.0-rc7           -> ArduCopter-3.1.0-rc7
 * [new tag]               ArduCopter-3.1.5               -> ArduCopter-3.1.5
 * [new tag]               ArduCopter-3.1.5-apm           -> ArduCopter-3.1.5-apm
 * [new tag]               ArduCopter-stable-apm1         -> ArduCopter-stable-apm1
 * [new tag]               ArduCopter-stable-apm2         -> ArduCopter-stable-apm2
 * [new tag]               ArduPlane-2.69                 -> ArduPlane-2.69
 * [new tag]               ArduPlane-2.70                 -> ArduPlane-2.70
 * [new tag]               ArduPlane-2.72                 -> ArduPlane-2.72
 * [new tag]               ArduPlane-2.74                 -> ArduPlane-2.74
 * [new tag]               ArduPlane-2.74b                -> ArduPlane-2.74b
 * [new tag]               ArduPlane-2.75                 -> ArduPlane-2.75
 * [new tag]               ArduPlane-2.78                 -> ArduPlane-2.78
 * [new tag]               ArduPlane-2.78b                -> ArduPlane-2.78b
 * [new tag]               ArduPlane-3.0.0                -> ArduPlane-3.0.0
 * [new tag]               ArduPlane-3.0.1                -> ArduPlane-3.0.1
 * [new tag]               ArduPlane-3.0.2                -> ArduPlane-3.0.2
 * [new tag]               ArduPlane-3.0.3                -> ArduPlane-3.0.3
 * [new tag]               ArduPlane-3.1.0                -> ArduPlane-3.1.0
 * [new tag]               ArduPlane-3.2.0                -> ArduPlane-3.2.0
 * [new tag]               ArduPlane-3.3.0                -> ArduPlane-3.3.0
 * [new tag]               ArduPlane-3.5.1                -> ArduPlane-3.5.1
 * [new tag]               ArduPlane-3.5.2                -> ArduPlane-3.5.2
 * [new tag]               ArduPlane-3.6.0                -> ArduPlane-3.6.0
 * [new tag]               ArduPlane-3.7.0                -> ArduPlane-3.7.0
 * [new tag]               ArduPlane-3.7.0-beta1          -> ArduPlane-3.7.0-beta1
 * [new tag]               ArduPlane-3.8.5                -> ArduPlane-3.8.5
 * [new tag]               ArduPlane-beta                 -> ArduPlane-beta
 * [new tag]               ArduPlane-beta-AVR             -> ArduPlane-beta-AVR
 * [new tag]               ArduPlane-stable               -> ArduPlane-stable
 * [new tag]               ArduPlane-stable-AVR           -> ArduPlane-stable-AVR
 * [new tag]               ArduSub-beta                   -> ArduSub-beta
 * [new tag]               ArduSub-stable                 -> ArduSub-stable
 * [new tag]               Copter-3.3-rc5                 -> Copter-3.3-rc5
 * [new tag]               Copter-3.4.6                   -> Copter-3.4.6
 * [new tag]               Copter-3.5.7                   -> Copter-3.5.7
 * [new tag]               Copter-3.6.8                   -> Copter-3.6.8
 * [new tag]               Copter-4.1.6                   -> Copter-4.1.6
 * [new tag]               Copter-4.2.4                   -> Copter-4.2.4
 * [new tag]               MattPilot-Branched             -> MattPilot-Branched
 * [new tag]               ORCA-VTOL                      -> ORCA-VTOL
 * [new tag]               Plane-4.1.7                    -> Plane-4.1.7
 * [new tag]               Plane-4.4.0                    -> Plane-4.4.0
 * [new tag]               Plane-4.4.1                    -> Plane-4.4.1
 * [new tag]               Plane-4.4.2                    -> Plane-4.4.2
 * [new tag]               Plane-4.4.3                    -> Plane-4.4.3
 * [new tag]               Plane-4.4.4                    -> Plane-4.4.4
 * [new tag]               Plane-4.5.0                    -> Plane-4.5.0
 * [new tag]               Plane-4.5.1                    -> Plane-4.5.1
 * [new tag]               Plane-4.5.2                    -> Plane-4.5.2
 * [new tag]               Rover-3.2.3                    -> Rover-3.2.3
 * [new tag]               Rover-3.4.2                    -> Rover-3.4.2
 * [new tag]               Rover-3.5.2                    -> Rover-3.5.2
 * [new tag]               Rover-4.1.5                    -> Rover-4.1.5
 * [new tag]               Rover-4.4.0                    -> Rover-4.4.0
 * [new tag]               work                           -> work
 * [new tag]               working                        -> working
 * [new tag]               -2.27-Alpha                    -> -2.27-Alpha
 * [new tag]               -2.28                          -> -2.28
 * [new tag]               -2.30                          -> -2.30
 * [new tag]               -2.33                          -> -2.33
 * [new tag]               -2.40                          -> -2.40
 * [new tag]               -2.40-beta                     -> -2.40-beta
 * [new tag]               -2.50                          -> -2.50
 * [new tag]               -2.60                          -> -2.60
 * [new tag]               -2.61                          -> -2.61
 * [new tag]               -2.62                          -> -2.62
 * [new tag]               -2.63                          -> -2.63
 * [new tag]               -2.64                          -> -2.64
 * [new tag]               -2.65                          -> -2.65
 * [new tag]               -2.66                          -> -2.66
 * [new tag]               -2.68                          -> -2.68
 * [new tag]               -3.8.0                         -> -3.8.0
 * [new tag]               -3.8.1                         -> -3.8.1
 * [new tag]               -3.8.2                         -> -3.8.2
 * [new tag]               -beta                          -> -beta
 * [new tag]               -stable                        -> -stable
 * [new tag]               2.0.50_Beta                    -> 2.0.50_Beta
 * [new tag]               AC_2.1                         -> AC_2.1
 * [new tag]               APMrover2-beta                 -> APMrover2-beta
 * [new tag]               APMrover2-beta-4.3             -> APMrover2-beta-4.3
 * [new tag]               APMrover2-beta-AVR             -> APMrover2-beta-AVR
 * [new tag]               APMrover2-stable               -> APMrover2-stable
 * [new tag]               APMrover2-stable-AVR           -> APMrover2-stable-AVR
 * [new tag]               AP_Periph-1.3.0                -> AP_Periph-1.3.0
 * [new tag]               AP_Periph-1.3.1                -> AP_Periph-1.3.1
 * [new tag]               AP_Periph-1.4.0                -> AP_Periph-1.4.0
 * [new tag]               AntennaTracker-1.1.0           -> AntennaTracker-1.1.0
 * [new tag]               AntennaTracker-beta-AVR        -> AntennaTracker-beta-AVR
 * [new tag]               AntennaTracker-stable          -> AntennaTracker-stable
 * [new tag]               AntennaTracker-stable-AVR      -> AntennaTracker-stable-AVR
 * [new tag]               ArduCopter-2.1.0-Alpha         -> ArduCopter-2.1.0-Alpha
 * [new tag]               ArduCopter-2.3                 -> ArduCopter-2.3
 * [new tag]               ArduCopter-2.4                 -> ArduCopter-2.4
 * [new tag]               ArduCopter-2.4.1               -> ArduCopter-2.4.1
 * [new tag]               ArduCopter-2.5                 -> ArduCopter-2.5
 * [new tag]               ArduCopter-2.5.1               -> ArduCopter-2.5.1
 * [new tag]               ArduCopter-2.5.2               -> ArduCopter-2.5.2
 * [new tag]               ArduCopter-2.5.3               -> ArduCopter-2.5.3
 * [new tag]               ArduCopter-2.5.4               -> ArduCopter-2.5.4
 * [new tag]               ArduCopter-2.5.5               -> ArduCopter-2.5.5
 * [new tag]               ArduCopter-2.5.5-Beta          -> ArduCopter-2.5.5-Beta
 * [new tag]               ArduCopter-2.6                 -> ArduCopter-2.6
 * [new tag]               ArduCopter-2.6-Beta            -> ArduCopter-2.6-Beta
 * [new tag]               ArduCopter-2.6-Delta           -> ArduCopter-2.6-Delta
 * [new tag]               ArduCopter-2.6-Epsilon         -> ArduCopter-2.6-Epsilon
 * [new tag]               ArduCopter-2.6-Gamma           -> ArduCopter-2.6-Gamma
 * [new tag]               ArduCopter-2.7                 -> ArduCopter-2.7
 * [new tag]               ArduCopter-2.7.1               -> ArduCopter-2.7.1
 * [new tag]               ArduCopter-2.7.2               -> ArduCopter-2.7.2
 * [new tag]               ArduCopter-2.7.3               -> ArduCopter-2.7.3
 * [new tag]               ArduCopter-2.7.4-Beta          -> ArduCopter-2.7.4-Beta
 * [new tag]               ArduCopter-2.7.4-Delta         -> ArduCopter-2.7.4-Delta
 * [new tag]               ArduCopter-2.7.4-Epsilon       -> ArduCopter-2.7.4-Epsilon
 * [new tag]               ArduCopter-2.7.4-Gamma         -> ArduCopter-2.7.4-Gamma
 * [new tag]               ArduCopter-2.8                 -> ArduCopter-2.8
 * [new tag]               ArduCopter-2.9-rc1             -> ArduCopter-2.9-rc1
 * [new tag]               ArduCopter-2.9-rc2             -> ArduCopter-2.9-rc2
 * [new tag]               ArduCopter-2.9-rc3             -> ArduCopter-2.9-rc3
 * [new tag]               ArduCopter-2.9-rc4             -> ArduCopter-2.9-rc4
 * [new tag]               ArduCopter-2.9-release         -> ArduCopter-2.9-release
 * [new tag]               ArduCopter-2.9.1               -> ArduCopter-2.9.1
 * [new tag]               ArduCopter-3.0-rc5             -> ArduCopter-3.0-rc5
 * [new tag]               ArduCopter-3.0.1-rc1           -> ArduCopter-3.0.1-rc1
 * [new tag]               ArduCopter-3.0.1-rc2           -> ArduCopter-3.0.1-rc2
 * [new tag]               ArduCopter-3.1.0               -> ArduCopter-3.1.0
 * [new tag]               ArduCopter-3.1.0-rc8           -> ArduCopter-3.1.0-rc8
 * [new tag]               ArduCopter-3.2-apm-px4         -> ArduCopter-3.2-apm-px4
 * [new tag]               ArduCopter-3.2.1-apm-px4       -> ArduCopter-3.2.1-apm-px4
 * [new tag]               ArduCopter-3.5.0-rc5           -> ArduCopter-3.5.0-rc5
 * [new tag]               ArduCopter-3.5.0-rc6           -> ArduCopter-3.5.0-rc6
 * [new tag]               ArduCopter-beta                -> ArduCopter-beta
 * [new tag]               ArduCopter-beta-4.3            -> ArduCopter-beta-4.3
 * [new tag]               ArduCopter-beta-4.3-heli       -> ArduCopter-beta-4.3-heli
 * [new tag]               ArduCopter-beta-apm1           -> ArduCopter-beta-apm1
 * [new tag]               ArduCopter-beta-apm2           -> ArduCopter-beta-apm2
 * [new tag]               ArduCopter-beta-heli           -> ArduCopter-beta-heli
 * [new tag]               ArduCopter-stable              -> ArduCopter-stable
 * [new tag]               ArduCopter-stable-heli         -> ArduCopter-stable-heli
 * [new tag]               ArduPlane-2.27-Alpha           -> ArduPlane-2.27-Alpha
 * [new tag]               ArduPlane-2.28                 -> ArduPlane-2.28
 * [new tag]               ArduPlane-2.30                 -> ArduPlane-2.30
 * [new tag]               ArduPlane-2.33                 -> ArduPlane-2.33
 * [new tag]               ArduPlane-2.40                 -> ArduPlane-2.40
 * [new tag]               ArduPlane-2.40-beta            -> ArduPlane-2.40-beta
 * [new tag]               ArduPlane-2.50                 -> ArduPlane-2.50
 * [new tag]               ArduPlane-2.60                 -> ArduPlane-2.60
 * [new tag]               ArduPlane-2.61                 -> ArduPlane-2.61
 * [new tag]               ArduPlane-2.62                 -> ArduPlane-2.62
 * [new tag]               ArduPlane-2.63                 -> ArduPlane-2.63
 * [new tag]               ArduPlane-2.64                 -> ArduPlane-2.64
 * [new tag]               ArduPlane-2.65                 -> ArduPlane-2.65
 * [new tag]               ArduPlane-2.66                 -> ArduPlane-2.66
 * [new tag]               ArduPlane-2.68                 -> ArduPlane-2.68
 * [new tag]               ArduPlane-3.8.0                -> ArduPlane-3.8.0
 * [new tag]               ArduPlane-3.8.1                -> ArduPlane-3.8.1
 * [new tag]               ArduPlane-3.8.2                -> ArduPlane-3.8.2
 * [new tag]               ArduPlane-3.8.3                -> ArduPlane-3.8.3
 * [new tag]               ArduPlane-3.8.4                -> ArduPlane-3.8.4
 * [new tag]               ArduPlane-3.9.0                -> ArduPlane-3.9.0
 * [new tag]               ArduPlane-3.9.10               -> ArduPlane-3.9.10
 * [new tag]               ArduPlane-3.9.11               -> ArduPlane-3.9.11
 * [new tag]               ArduPlane-3.9.2                -> ArduPlane-3.9.2
 * [new tag]               ArduPlane-3.9.3                -> ArduPlane-3.9.3
 * [new tag]               ArduPlane-3.9.4                -> ArduPlane-3.9.4
 * [new tag]               ArduPlane-3.9.5                -> ArduPlane-3.9.5
 * [new tag]               ArduPlane-3.9.6                -> ArduPlane-3.9.6
 * [new tag]               ArduPlane-3.9.7                -> ArduPlane-3.9.7
 * [new tag]               ArduPlane-3.9.8                -> ArduPlane-3.9.8
 * [new tag]               ArduPlane-3.9.9                -> ArduPlane-3.9.9
 * [new tag]               ArduPlane-4.0.0                -> ArduPlane-4.0.0
 * [new tag]               ArduPlane-4.0.1                -> ArduPlane-4.0.1
 * [new tag]               ArduPlane-4.0.3                -> ArduPlane-4.0.3
 * [new tag]               ArduPlane-4.0.4                -> ArduPlane-4.0.4
 * [new tag]               ArduPlane-4.0.5                -> ArduPlane-4.0.5
 * [new tag]               ArduPlane-4.0.6                -> ArduPlane-4.0.6
 * [new tag]               ArduPlane-4.0.7                -> ArduPlane-4.0.7
 * [new tag]               ArduPlane-4.0.8                -> ArduPlane-4.0.8
 * [new tag]               ArduPlane-4.0.9                -> ArduPlane-4.0.9
 * [new tag]               ArduPlane-4.1.0                -> ArduPlane-4.1.0
 * [new tag]               ArduPlane-4.1.1                -> ArduPlane-4.1.1
 * [new tag]               ArduPlane-beta-4.3             -> ArduPlane-beta-4.3
 * [new tag]               ArduSub-3.5.3                  -> ArduSub-3.5.3
 * [new tag]               ArduSub-3.5.4                  -> ArduSub-3.5.4
 * [new tag]               ArduSub-4.0.0                  -> ArduSub-4.0.0
 * [new tag]               ArduSub-4.0.1                  -> ArduSub-4.0.1
 * [new tag]               ArduSub-4.0.2                  -> ArduSub-4.0.2
 * [new tag]               ArduSub-4.0.3                  -> ArduSub-4.0.3
 * [new tag]               ArduSub-4.1.0                  -> ArduSub-4.1.0
 * [new tag]               ArduSub-4.1.1                  -> ArduSub-4.1.1
 * [new tag]               Ardusub-stable                 -> Ardusub-stable
 * [new tag]               Copter-3.3.1                   -> Copter-3.3.1
 * [new tag]               Copter-3.3.2                   -> Copter-3.3.2
 * [new tag]               Copter-3.4.0                   -> Copter-3.4.0
 * [new tag]               Copter-3.4.1                   -> Copter-3.4.1
 * [new tag]               Copter-3.4.2                   -> Copter-3.4.2
 * [new tag]               Copter-3.4.2-rc1               -> Copter-3.4.2-rc1
 * [new tag]               Copter-3.4.2-rc2               -> Copter-3.4.2-rc2
 * [new tag]               Copter-3.4.3                   -> Copter-3.4.3
 * [new tag]               Copter-3.4.3-rc1               -> Copter-3.4.3-rc1
 * [new tag]               Copter-3.4.4                   -> Copter-3.4.4
 * [new tag]               Copter-3.4.5                   -> Copter-3.4.5
 * [new tag]               Copter-3.5.0                   -> Copter-3.5.0
 * [new tag]               Copter-3.5.0-rc10              -> Copter-3.5.0-rc10
 * [new tag]               Copter-3.5.0-rc11              -> Copter-3.5.0-rc11
 * [new tag]               Copter-3.5.0-rc7               -> Copter-3.5.0-rc7
 * [new tag]               Copter-3.5.0-rc8               -> Copter-3.5.0-rc8
 * [new tag]               Copter-3.5.0-rc9               -> Copter-3.5.0-rc9
 * [new tag]               Copter-3.5.1                   -> Copter-3.5.1
 * [new tag]               Copter-3.5.1-rc1               -> Copter-3.5.1-rc1
 * [new tag]               Copter-3.5.2                   -> Copter-3.5.2
 * [new tag]               Copter-3.5.2-rc1               -> Copter-3.5.2-rc1
 * [new tag]               Copter-3.5.3                   -> Copter-3.5.3
 * [new tag]               Copter-3.5.4                   -> Copter-3.5.4
 * [new tag]               Copter-3.5.5                   -> Copter-3.5.5
 * [new tag]               Copter-3.5.6                   -> Copter-3.5.6
 * [new tag]               Copter-3.6.0                   -> Copter-3.6.0
 * [new tag]               Copter-3.6.1                   -> Copter-3.6.1
 * [new tag]               Copter-3.6.10                  -> Copter-3.6.10
 * [new tag]               Copter-3.6.11                  -> Copter-3.6.11
 * [new tag]               Copter-3.6.12                  -> Copter-3.6.12
 * [new tag]               Copter-3.6.2                   -> Copter-3.6.2
 * [new tag]               Copter-3.6.3                   -> Copter-3.6.3
 * [new tag]               Copter-3.6.4                   -> Copter-3.6.4
 * [new tag]               Copter-3.6.5                   -> Copter-3.6.5
 * [new tag]               Copter-3.6.6                   -> Copter-3.6.6
 * [new tag]               Copter-3.6.7                   -> Copter-3.6.7
 * [new tag]               Copter-3.6.9                   -> Copter-3.6.9
 * [new tag]               Copter-4.0.0                   -> Copter-4.0.0
 * [new tag]               Copter-4.0.1                   -> Copter-4.0.1
 * [new tag]               Copter-4.0.2                   -> Copter-4.0.2
 * [new tag]               Copter-4.0.3                   -> Copter-4.0.3
 * [new tag]               Copter-4.0.4                   -> Copter-4.0.4
 * [new tag]               Copter-4.0.5                   -> Copter-4.0.5
 * [new tag]               Copter-4.0.6                   -> Copter-4.0.6
 * [new tag]               Copter-4.0.7                   -> Copter-4.0.7
 * [new tag]               Copter-4.0.7_16KB              -> Copter-4.0.7_16KB
 * [new tag]               Copter-4.1.0                   -> Copter-4.1.0
 * [new tag]               Copter-4.1.1                   -> Copter-4.1.1
 * [new tag]               Copter-4.1.2                   -> Copter-4.1.2
 * [new tag]               Copter-4.1.3                   -> Copter-4.1.3
 * [new tag]               Copter-4.1.4                   -> Copter-4.1.4
 * [new tag]               Copter-4.1.5                   -> Copter-4.1.5
 * [new tag]               Copter-4.2.0                   -> Copter-4.2.0
 * [new tag]               Copter-4.2.1                   -> Copter-4.2.1
 * [new tag]               Copter-4.2.2                   -> Copter-4.2.2
 * [new tag]               Copter-4.2.3                   -> Copter-4.2.3
 * [new tag]               Copter-4.3.0                   -> Copter-4.3.0
 * [new tag]               Copter-4.3.1                   -> Copter-4.3.1
 * [new tag]               Copter-4.3.2                   -> Copter-4.3.2
 * [new tag]               Copter-4.3.3                   -> Copter-4.3.3
 * [new tag]               Copter-4.3.4                   -> Copter-4.3.4
 * [new tag]               Copter-4.3.5                   -> Copter-4.3.5
 * [new tag]               Copter-4.3.6                   -> Copter-4.3.6
 * [new tag]               Copter-4.3.7                   -> Copter-4.3.7
 * [new tag]               Copter-4.3.8                   -> Copter-4.3.8
 * [new tag]               Copter-4.4.0                   -> Copter-4.4.0
 * [new tag]               Copter-4.4.1                   -> Copter-4.4.1
 * [new tag]               Copter-4.4.2                   -> Copter-4.4.2
 * [new tag]               Copter-4.4.3                   -> Copter-4.4.3
 * [new tag]               Copter-4.4.4                   -> Copter-4.4.4
 * [new tag]               Copter-4.5.0                   -> Copter-4.5.0
 * [new tag]               Copter-4.5.1                   -> Copter-4.5.1
 * [new tag]               Copter-4.5.2                   -> Copter-4.5.2
 * [new tag]               Plane-4.1.2                    -> Plane-4.1.2
 * [new tag]               Plane-4.1.3                    -> Plane-4.1.3
 * [new tag]               Plane-4.1.4                    -> Plane-4.1.4
 * [new tag]               Plane-4.1.5                    -> Plane-4.1.5
 * [new tag]               Plane-4.1.6                    -> Plane-4.1.6
 * [new tag]               Plane-4.2.0                    -> Plane-4.2.0
 * [new tag]               Plane-4.2.1                    -> Plane-4.2.1
 * [new tag]               Plane-4.2.2                    -> Plane-4.2.2
 * [new tag]               Plane-4.3.0                    -> Plane-4.3.0
 * [new tag]               Plane-4.3.1                    -> Plane-4.3.1
 * [new tag]               Plane-4.3.2                    -> Plane-4.3.2
 * [new tag]               Plane-4.3.3                    -> Plane-4.3.3
 * [new tag]               Plane-4.3.4                    -> Plane-4.3.4
 * [new tag]               Plane-4.3.5                    -> Plane-4.3.5
 * [new tag]               Plane-4.3.7                    -> Plane-4.3.7
 * [new tag]               Plane-4.3.8                    -> Plane-4.3.8
 * [new tag]               Rover-3.2.0                    -> Rover-3.2.0
 * [new tag]               Rover-3.2.1                    -> Rover-3.2.1
 * [new tag]               Rover-3.2.2                    -> Rover-3.2.2
 * [new tag]               Rover-3.3.0                    -> Rover-3.3.0
 * [new tag]               Rover-3.4.0                    -> Rover-3.4.0
 * [new tag]               Rover-3.4.1                    -> Rover-3.4.1
 * [new tag]               Rover-3.5.0                    -> Rover-3.5.0
 * [new tag]               Rover-3.5.1                    -> Rover-3.5.1
 * [new tag]               Rover-4.0.0                    -> Rover-4.0.0
 * [new tag]               Rover-4.1.0                    -> Rover-4.1.0
 * [new tag]               Rover-4.1.1                    -> Rover-4.1.1
 * [new tag]               Rover-4.1.2                    -> Rover-4.1.2
 * [new tag]               Rover-4.1.3                    -> Rover-4.1.3
 * [new tag]               Rover-4.1.4                    -> Rover-4.1.4
 * [new tag]               Rover-4.2.0                    -> Rover-4.2.0
 * [new tag]               Rover-4.2.1                    -> Rover-4.2.1
 * [new tag]               Rover-4.2.2                    -> Rover-4.2.2
 * [new tag]               Rover-4.2.3                    -> Rover-4.2.3
 * [new tag]               Rover-4.5.0                    -> Rover-4.5.0
 * [new tag]               Rover-4.5.1                    -> Rover-4.5.1
 * [new tag]               Rover-4.5.2                    -> Rover-4.5.2
 * [new tag]               Tracker-4.5.0                  -> Tracker-4.5.0
 * [new tag]               Tracker-4.5.1                  -> Tracker-4.5.1
 * [new tag]               Tracker-4.5.2                  -> Tracker-4.5.2
 * [new tag]               pre-apm2-support               -> pre-apm2-support
 * [new tag]               v2.4                           -> v2.4
Fetching submodule modules/ChibiOS
Fetching submodule modules/DroneCAN/pydronecan
Fetching submodule modules/mavlink
Fetching submodule modules/waf
From https://github.com/ArduPilot/waf
 * branch              4996768a2f9659695f7300a2352a91474cb5b060 -> FETCH_HEAD
fatal: remote error: upload-pack: not our ref 6e20bc343c44f8932de9b88c3756f6ed9e9b18f3
From https://github.com/DroneCAN/pydronecan
 * branch            7dd0cbdcd1d2a6a15cfcb4717e4f25f735173cc9 -> FETCH_HEAD
fatal: remote error: upload-pack: not our ref 8ec0aa3ccf1bcf644cf20b141c3454778811c51e
Errors during submodule fetch:
        modules/mavlink
        modules/ChibiOS

Iā€™d try running Tools/gittools/submodule-sync.sh

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