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: 26.04.2024 @ 00:04
Script: /board/addreply.php?threadid=16&sid=3e75d41b9405381c602a069f2808924d
Referer: