I try to get the "Grab Your Gun And Bring in The Cat" Trophy on PS4, can I do it on skirmish mode or do I have to do it in the campagin? Are they cumulative?

I really believe it's a language setting problem, but I cannot figure it out how to solve the problem myself. I started in on english, then I changed it to german. That way it worked. But another time it didn't work... so not quite sure yet.

There is definetely a problem on PS4 with the trophy system! I can not unlock ANY trophy now?! After I encountered that problem I changed the language system (in PS4) as a possible workaround and then two mission trophies (mission 1 and mission 2) were unlocked, now I tried to unlock mission 3,4,5 e...