Citra multiplayer error

heres my issue. i try to host a room and can do that fine but my friend cannot join it says the settings are incorrect. when i try to join a room it says for both of us, username is not valid must be 4 to 20 alphanumeric characters. how do i fix this

System Information

  • Operating System: windows

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

You both need to set a username at the top left of the multiplayer room browser to be able to play.