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: 25.04.2024 @ 22:50
Script: /board/newthread.php?boardid=11&sid=d89281cd624d64961188adf4f6e485a7
Referer: