SQL-DATABASE ERROR

Database error in WoltLab Burning Board (): Link-ID == false, connect failed
mysql error:
mysql error number:
mysql version: unknown
php version: 7.3.31-1~deb10u1
Date: 28.04.2024 @ 16:37
Script: /editpost.php?postid=453314&sid=1eadd446d161d2091bddceddf29630a3
Referer: