There was an OB problem with the two mot Bde OB, one was combat and the other multirole, I believe they were of different motorization types as well.
That data issue was recently fixed but it does not affect ongoing games.
WitE dev team - (aircraft data)
WitE 1.08+ dev team (data/scenario maintainer)
WitW dev team (aircraft data, partial data/scenario maintainer)
WitE2 dev team (aircraft data)