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: 28.03.2024 @ 11:00
Script: /board/misc.php?action=viewip&postid=14699&sid=a02bc4043896d0a76231b0b340c4c566
Referer: