We've seen a few similar reports, will pass yours along too and follow up when we know more.
@TeamYouTube Is Switching Accounts broken? The button currently does nothing, and I also can't switch from the MyAccount site and clicking Act as X on YouTube.
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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Just following up to let you now that the issue is now fixed. Thanks for your patience.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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