Yes, had the same thing happening te me. Even after deisntalling modpack, i still couldn't start the game. Had to use check game integrity to repair the game.
Yes, it is the same with Aslain's contours after this 0.5.6 patch. Battle screen result is saying 'You have not proved yourself this battle'. When i just remove Aslains contours, everything is working fine (mind this is with Aslain's regular)
_Aslain_logs.zip
Yes, i also got this bug sinds 0.5.5.0.03. Still have it in 0.5.5.0.04. i already tried reinstalling with clean install and removing the previous first.