Yes it's Server maintenance xd.... Ifound another thread few Minute ago 
Posts made by Ritter
-
RE: Internal Server Error 500posted in Bug Reports
-
RE: Can not loginposted in Discussions & Feedback
Great... no Message about a Mainteance Time .... Not Professionell... Indie or Not!!!
-
Internal Server Error 500posted in Bug Reports
I didn't can log in the Game.First Message was LogIn Failed Incorrect Password, then I changed my PW and become the 500'er Error Mesage when i need to Log In.