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: 20.04.2024 @ 08:16
Script: /board/newthread.php?boardid=13&sid=2586c2ea4388c6239b3128b51ff43f37
Referer: