[10:41pm] * Connecting to irc.gamesurge.net (6667)
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[10:41pm] ERROR > 468: username is invalid.
[10:41pm] ERROR > 468: with your real username, in lowercase.
[10:41pm] ERROR > 468: your mail address were foo@bar.com, your username would be foo.
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[10:41pm] Closing Link: [Tribe]digital` by ClanShells.DE.EU.GameSurge.net (USER: Bad username)
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[10:41pm] * Disconnected

see this thread

just a note, this question and others have been answered lots and lots of times. its a good idea to check the sticky threads at the top of each forum and/or use our search feature before you post. ( set it to all forums and expand the date range for best results) that way, if your question has been asked, you've got the answer right away and dont have to wait