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 @ 22:06
Script: /board/profile.php?userid=34&sid=75df813fdb9d7af67f05b526ee38e9f4
Referer: