Citra networking issues

Always said that when added to the room: Username is not valid Must be 4 to 20 alpanumeric charaters…
How to solve

In order for us to provide better support, we need to see the log generated by Citra. This guide will walk you through how you can obtain the log file: How to Upload the Log File.

What are you entering in the username text box? Spaces might not be allowed.