@TeamYouTube Hello i don't know why but i can't see history tab anywhere and i can't access library it just says 500 internal server error. 
This only happens when i try it with my computer and apparently this only happens with mozilla firefox.
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That's strange, try clearing cache and cookies or using a different browser to see if it's otherwise. Keep us posted.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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