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: 18.07.2025 @ 23:26
Script: /board/thread.php?sid=fdd5b45274afdba813823ac56cc35e4e&postid=8959
Referer: