Hey there, is this happening across devices & browsers? You can try updating or closing & reopening your browser. You can also try clearing your cache & cookies: https://yt.be/help/Cko1 . If these don't work, send a feedback report directly from YouTube: https://yt.be/help/feedback .
I have tried with my 2nd channel, that's working fine. But getting issue only in this channel it was hijacked 43 days ago and transferred to my brand account today.