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: 20.04.2024 @ 14:36
Script: /board/addreply.php?postid=14807&action=quote&sid=bf701e49c13fbe253c2f3ae0f9e8410e
Referer: