Admin Webpage fails to update following upgrade

[jfb]

You are running nginx, which is an unsupported web server. You will need to make some configuration changes to make this webserver work.

This thread may be of assistance:

Web Interface not reachable, pi-hole itself is working

Output for pihole -r pihole -r [✓] Root user check .;;,. .ccccc:,. :cccclll:. ..,, :ccccclll. ;ooodc 'ccll:;ll .oooodc .;cll.;;looo:. .. ','. .',,,,,,'. .',,,,,,,,,,. .',,,,,,,,,,,,.... ....''',,,,,,,'....... ......... .... ......... .......... .......... .......... .......... ......... .... ......... .…