Maybe you can try to switch your browser to the so called “porn mode” or “private window” and login there. This will decouple your current session and you don’t have to clear the cache. If the community is also visible here, send a mail to the admin and ask for help. He is a nice guy.
Unfortunately, this version violates the DSGVO by sending telemetry without being asked. This shoots the app directly into out. I hope that the developers have an insight here and remove this function as soon as possible.