Hmm, to confirm, have you followed the same steps mentioned in this Help Center article: https://goo.gl/ZeTLRs ? Also, have you tried clearing your browser's cache & cookies and tried using a different browser/device to see if that makes a difference. Keep us posted.
Please send a feedback report directly from YouTube with these steps: https://goo.gl/WdI0BK . While every individual report may not get a direct response, we do review everything and use the details to investigate and fix issues. Thanks.