Copter 3.6.6 build fails

After updating to Copter-3.6.6 building copter fails with error: **../../libraries/GCS_MAVLink/GCS_Common.cpp:247:10:** **fatal error:** **no matching function for call to 'mavlink_msg_distance_sensor_send'
with a complaint about too few arguments.

I did distclean, configured for --board sitl again but same error happened.

Build machine is linux ubuntu 18.04.

Any clues or suggestions?

Sigh… updating the git submodules has resolve the error.

Sorry for the noise.

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git submodule update --recursive