Thanks for reaching out. Have you tried clearing your browser's cache and cookies to check if that resolves the issue? Here's how: https://goo.gl/FXyMc1 . Also, does this happen across devices? Let us know.
Appreciate the info. 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!