Nextcloud version (eg, 20.0.5): 26.0.2
Operating system and version (eg, Ubuntu 20.04): Ubuntu 22.04
Apache or nginx version (eg, Apache 2.4.25): Apache/2.4.52 (Ubuntu)
PHP version (eg, 7.4): PHP 8.1.2-1ubuntu2.11 (cli)
The issue you are facing: After update to 26.0.2 Error log gives new error.
Is this the first time you’ve seen this error? Yes
Steps to replicate it: It comes about ones per day.
The output of your Nextcloud log in Admin > Logging:
You’ve find a legitimate bug! However it’s already been fixed so it’ll come through eventually.
For future reference, the only way to typically get to the bottom of things like this is to provide the entire stack trace. You can do so by clicking on the clipboard icon that appears when you hover over the right side of the log entry. Then select Copy raw.