Hi, I'm trying to change my username, but I keep getting the message: "There was an error changing your username." I've tried several different usernames, but none of them worked.
We still need to provide better errors for changing usernames the way we do for registering, but the requirements for usernames is the same as when you registered. They can't currently contain spaces.
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All of the failed attempts were because the chosen name was already in use. We'll make the error message clearer.