[Help - Other] cant create new character

[McSic]

Hello,

I already posted on the discord, but i cant create a character.
receiving the following error :

https://ibb.co/SPxLWdw

link is save https..

please help !!

Hmm. Although the character name is not taken, have you tried other character names?

[SuperKekku]

I checked many, I always get the same error. also i have reinstalled the game (didnt remove existing folder) and this did not help either.