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: 28.03.2024 @ 14:32
Script: /board/newthread.php?boardid=9&sid=346227675611c4a8f175fd625bc1ed95
Referer: