For some reason I can’t login to a Keap account where I’m clearly listed as a user, and chat support isn’t currently available (what’s the point of offering chat support if it isn’t there when needed???)
It looks like the challenge you described is now a known issue (#2476895), which is actively being worked on and expected to be resolved 7/13/2021 (U.S. Time):
If you want, you can navigate to https://knownissues.keap.com/ where you can submit a report so you can be notified once this known issue has been resolved.