SQL-DATABASE ERROR

Database error in WoltLab Burning Board (): Link-ID == false, connect failed
mysql error:
mysql error number:
mysql version: unknown
php version: 7.2.34-nmm9
Date: 21.05.2024 @ 15:03
Script: /wbb2/editpost.php?postid=11708&sid=c2e98e7288af753de51ea0fa7d216d37
Referer: http://haumis-wbb-hilfe.de/wbb2/editpost.php?postid=11708&sid=c2e98e7288af753de51ea0fa7d216d37