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 @ 23:21
Script: /board/profile.php?userid=24&sid=af85b9fbb086df27e97bceb4dfebfe69
Referer: