SQL-DATABASE ERROR

Database error in WoltLab Burning Board: Link-ID == false, connect failed
mysql error: The server requested authentication method unknown to the client
mysql error number: 2054
Date: 01.05.2024 @ 21:34
Script: /board/report.php?postid=14886&sid=c888bc3b7b82e71282f8609538acedac
Referer: