Citra online problem

Enter a description of your issue here, in full detail.
why when i try to enter in a public lobby citra say “username is not valid. must be 4 to 20 alphanumeric characters” my username is toxemic22. someone can help me with that?

System Information

  • Operating System:
  • CPU:
  • GPU:
  • Citra Version (found in title bar):
  • Game:
  • Screenshot of Issue (include the full Citra window including titlebar):

Diagnostic Log
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Try a different (or random) username using online aA-zZ characters.

I have already tried with another name without numbers but without success

You are entering your Nickname instead of using the Username in the System tab?

I have a similar problem, although I put a random username or my name tells me that I have connection problems but I don’t really have them