[Trooper117]

If you can't save, have you found and changed this:

Check your static.ini file and remove the extra 'b'. So,

[buildings.Plate$bitumenearthGroundTurn]
Title Turn
Mesh 3do/airfield/bbitumenearth/Turn/mono.sim

to

[buildings.Plate$bitumenearthGroundTurn]
Title Turn
Mesh 3do/airfield/bitumenearth/Turn/mono.si