I filled out a help and support ticket on this. They told me to clear my cookies and restart my browser.
If that doesn't work, restart your computer. The chess.com support system also needs these templates. 1 and 2 are the standard responses to about 90% of support issues, where 1='clear your cookies and restart your browser' and 2='restart your computer', but it would obviously be much more efficient if they could just reply with a number rather than having to copy/paste their standard boilerplate.
There once was a fellow named Bart, who awoke with a terrible start, for down by his rump was a humongous clump of what should have just been a f !