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 @ 11:48
Script: /board/newthread.php?boardid=3&sid=c1edf80e690895c164ecd68b1d4ef78e
Referer: