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: 24.04.2024 @ 14:07
Script: /board/report.php?postid=14699&sid=b3247b0b457fa6ae5bea87ec992b7cbc
Referer: