I get this on a single page of our wiki (which is quite large) so that suggests something on the page is causing the problem. However, a search turned up this: https ...
Due to a hardware failure I have to replace one of my firewalls. OPNsense version still 24.1.10_8 aka 11.2, I made a fresh install from USB, set LAN and WAN so I could update to 24.1.10_8, installed ...