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 @ 17:48
Script: /board/newthread.php?boardid=6&sid=2c8de820cd74477a2e8983684e231aa8
Referer: