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 @ 23:07
Script: /board/addreply.php?postid=14807&action=quote&sid=55010aaa949c777ad5f1473266d89576
Referer: