I'm trying to use the web side of adobe creative cloud express but this message keeps appearing.

Hi there, 

Sorry for the trouble. I hope this will help. We can access the website without any issues. Clearing browser cache and then logging in using a new "Incognito" (Chrome), "Private" (Safari), or a similar window. Projects should be available usually afterward. You can try signing out of the app and then signing back in. Try the same on a different system. Also, please let us know if you have the same issue on your phone as well? Try checking these things and report back with any observations. Thanks for your patience in resolving this problem.

Thanks

Manmeet