cant learn specializations after re-instalation

[kelfuzar]

i uninstaled the game because it was buggy, and wen i re-instaled i didnt have specializations to teach to my companions, and wen i ask for them they act as if they had alredy teached them

plz help, i'd like to learn the bersek but olgrim aint teaching enymore and it says its not unlocked yet