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: 27.04.2024 @ 02:39
Script: /board/newthread.php?boardid=6&sid=f82a02fc4e67dc2d3906e9edc069148a
Referer: