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: 18.04.2024 @ 21:40
Script: /board/thread.php?goto=lastpost&threadid=930&sid=53b8b7c173be1feb606245c47bcbbd38
Referer: