Hmm, this may be due to the size or file format – but it depends on the error message. This troubleshooter covers common issues and how to fix them: https://yt.be/help/2SLi . If you’re not seeing one of the errors listed there, let us know!
@TeamYouTube @YouTube please sort out error 400 cannot reach server, I cannot upload video and my friends cannot Livestream, just get a black screen. Please sort it out
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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