Error message when accessing radio calibration

Ground Control Software Mission Planner
1

Can anyone tell me what this is? I am not able to calibrate

https://discuss.ardupilot.org/uploads/default/original/2X/a/a5dce637bbefd15a1b073eecebb5de0159af2408.png

original post: Error message when accessing radio setup

Screenshot (69).png1237×657 32.3 KB

2

you appear to have changed a parameter to an invalid value
check your RCMAP_? values one of them is set to 0 and shouldn’t be