Which device are you on? Have you tried uninstalling/updating the app after restarting your device to check if that resolves the issue? Share screenshots and additional info for us to look into it.
Hmm. As a next step, 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.