Can't claim

Plex Media Server
1

Server Version#: 1.20.4.3517
Player Version#: Web

Fresh install of Ubuntu 20.10
Fresh install of plexmedia server (.deb not snap)

Sign in to claim media server --> unable to complete request. Rinse and repeat.

2

Please try clearing cookies/site data in your browser.

3

Hmmm, just did that and suddenly it worked. Thanks.