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 @ 05:20
Script: /board/addreply.php?threadid=938&sid=c888bc3b7b82e71282f8609538acedac
Referer: