A few things that may not be true but you can still test is:
Log into the Beta, make sure you have an active character that works...then log off and back over to live and try /beta again
Try zoning, maybe you lost connection or something in the zone you were in before attempting /beta
After that, I havent a clue. I don't know how /beta works, so maybe Rogean will pop in here and take a crack at it
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