Same happened to me on steam. Cant launch 1.5.6 game.Trying to validate the files... waiting.... Yepp , its brokenAfter installing update 1.5.6 from EpicGamesStore, the game stopped starting. With 1.5.5 everything worked fine. Mods did not install. How to fix it?
I guess we are stuck in 1.5.5 until they fix