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: 19.04.2024 @ 19:45
Script: /board/misc.php?action=viewip&postid=51&sid=6f018b64ccb7ec193cb9f551ce73f802
Referer: