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: 18.04.2024 @ 14:25
Script: /board/print.php?threadid=932&page=1&sid=78a351c2d9646b355d5b3a9695cb69f8
Referer: