anti-cheat authorization error: eos_unrecognizedresponse

hello everyone! I bought the game yesterday and ran into the problem that the anti-cheat won’t let me online with the error “anti-cheat authorization error: eos_unrecognizedresponse”. I did not find any effective methods to solve the problem in the steam discussions and any other resourses.
I Can’t play the game… How to fix tis problem?