That's odd, could you file a feedback report with these steps: https://goo.gl/1ckkO5 ? While every individual report may not get a direct response, we do review everything and use the details to investigate and fix issues. Thanks!
Hello, @TeamYouTube I left my browser for upload & processing and went to make a thumbnail on my photoshop which took around 1 hour and when I came back I can't schedule my uploads. It says I'm signed out. 
pic.twitter.com/GfEQPsA3BZ
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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