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: 19.04.2024 @ 23:20
Script: /board/thread.php?goto=nextnewest&threadid=651&sid=9d1f5e3ae472b3cb60d67c0b15f2279c
Referer: