• Debian 11 is approaching its end-of-life (vendor EOL date - August 31, 2026). Plesk Obsidian 18.0.80 will be the last release to support it.
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Resolved 500 TypeError in "General Settings" -> "Apache & Nginx Settings" if nginx is not installed

zaytsev

New Pleskian
Server operating system version
Ubuntu 24.04
Plesk version and microupdate number
18.0.72
If nginx is not installed and you navigate to "Tools & Settings" -> "General Settings" -> "Apache & Nginx Settings", an exception is raised due to an error in Plesk code:

Screenshot 2025-08-22 at 09.58.30.png

I thought I could fix the code myself, but unfortunately it's encrypted. I can't submit a bug report because I haven't made enough posts yet. Could you please fix it?
 
Hello, @zaytsev . Thank you for the report. We are aware of the issue and our team is already working on a hotfix PPP-69251. It is expected for the fix to be released in the upcoming week. At this point, there is no workaround we can suggest, unfortunately. You can monitor the change log here.
 
Okay, thank you! I'll copy the exception message into this post again as text, so that it can be found via Google:

Server Error

500 TypeError​

Plesk\Server\Helper\NginxHttp3Configurator::isNginxEnabled(): Return value must be of type bool, null returned
TypeTypeError
MessagePlesk\Server\Helper\NginxHttp3Configurator::isNginxEnabled(): Return value must be of type bool, null returned
FileNginxHttp3Configurator.php
Line50
 
Our team released an update today which fixes the issue resulting from Nginx missing. If you have automatic updates enabled this update should be installed automatically overnight. Plesk Obsidian 18.0.72 Update 1:
Fixed the issue where, after updating to Plesk Obsidian 18.0.72, browsing Tools & Settings > Apache & nginx Settings resulted in a HTTP 500 error. (PPPM-15083)
 
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