How to remove this error?

[hallo]

Why an Errors appears,when i change setting?

 

[CuriousMike]

You most likely have Unicode characters in your Windows username, please see this page for instructions on how to fix this: https://docs.rigsofrods.org/gameplay/common-issues/

 

[hallo]

You most likely have Unicode characters in your Windows username, please see this page for instructions on how to fix this: https://docs.rigsofrods.org/gameplay/common-issues/

Thank you