@girish Hah this actually helps me with the Humhub app. Thanks! My solution was to use sed to delete line 312 in /etc/php/7.4/cli/php.ini lmao. Jank to the extreme.
So, it seems like giving the app a "relocation" by pressing the save button under the Location config tab & a quick Cloudflare proxy off-on, and then some time is the fix.
EDIT
So it is Cloudflare that is the problem and not Cloudron. Specifically their proxy