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 @ 20:38
Script: /board/profile.php?userid=38&sid=75df813fdb9d7af67f05b526ee38e9f4
Referer: