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 @ 09:54
Script: /board/newthread.php?boardid=3&sid=affd1f8bb22505218109bf713694e88d
Referer: