Thanks for reaching out. Try this troubleshooter that covers some of the common uploading errors and how you can fix them: https://goo.gl/Q9UCB8 . Let us know if this helps.
@TeamYouTube why tf are my videos “invalid”. The message says “Invalid video
Asset not readable”. Wt actual f YouTube
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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