Hello erAck,

Ah, I forgot to mention the actual Version: It's S9Y 2.1.5 with PHP 7.4.27

I'll check out the thread, you've posted and give you feedback, whether it worked ;)

Regards,
Simon

Edit: Update:
Big oof: now it works fine, after I edited the functions_installer.inc.php. Prior to my ...

Hello guys,

I tried to update S9Y via Auto-Updater to V2.3.5 but I'm getting a consistent itegrity-test failure:

"Updating failed, because the integrity-test for the following files failed:"
/mnt/rid/07/00/56730700/htdocs/serendipity_03/templates_c/serendipity-2.3.5/serendipity/templates/next ...