Every so often we get
Protocol bin\config.bin/RadioProtocolENG/: Missing word veh_helicopter
spammed to the rpt file
The file that I am currently looking at has it over 7500 times in one long spam, interspersed occasionally with other log messages!
We also sometimes see
Protocol bin\config.bin/RadioProtocolENG/: Missing word veh_car
This is in multiplayer.