That is very difficult to determine!
1. you could try Silen Hunter Validator or mySH3-TooL_v1 to examine campaign file problems
2. you could examine every ship in the scripted campaign file of operation torch manually by opening the properties with me mission editor. If it crahes then there is a wrong ship type.
3. you could do this also with the random campaign file and examine the groups entering operation torch. here you will find problems manually if a ship is chosen in the group which does not exist, then the ship name will change immediately if you open a group.
Otherwise there can be many many things that cause ctd.. a wrong plane eqipment, wrong plane chosen on carrier, etc.
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