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 @ 13:03
Script: /board/thread.php?goto=nextnewest&threadid=923&sid=d64352ccc331bbcf43cefa2b56ceacb8
Referer: