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: 23.04.2024 @ 18:13
Script: /board/thread.php?goto=nextnewest&threadid=951&sid=0c1f0346417a0b32d69f4375535b4c5c
Referer: