After setup : Security & setup warnings

i installed nextcloud succesfully . its working fine . but here is some error show in admin panel. how to resloved? picture attachted

It will most likely impossible to support you because you totally ignored the provided support template. Please provide DETAILED information about your environment, server, OS, etc., etc.

Additionally you should search the forum first for these kind of messages because similar questions have definitely been asked and answered in the past. The chance is high that one of the answers matches your request too.

Sorry for my mistake!

I installed Nextcloud Hub 5 (27.0.2) on Ubuntu 20.4, and PHP 8.1.2-1 with Apache