Hi,

 you need to show versions (or screenshot of about page, or from cli)

 ./discovery.php -VV

It seems you use the not latest version, because the function indicated in the error is in another line.
I can't reproduce or see such error.

Henrik Aarfeldt via observium wrote on 21.03.2025 11:40:
Hi,

We're running the latest version of Observium.
Today we get "PHP Fatal error:  html_callback_build_title(): Cannot use output buffering in output buffering display handlers in /opt/observium/html/includes/functions.inc.php on line 130"

Returns a blank page (after ok login)

--
Best regards, Henrik.


________________________________


Region Hovedstaden anvender de personoplysninger, du giver os i forbindelse med din henvendelse. Du kan læse mere om formålet med anvendelsen samt dine rettigheder på vores hjemmeside: www.regionh.dk/persondatapolitik
_______________________________________________
observium mailing list -- observium@lists.observium.org
To unsubscribe send an email to observium-leave@lists.observium.org

--
Mike Stupalov,
Discord channel: https://discord.gg/GjpNXKWm8W
Observium Limited, https://observium.org