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 @ 16:14
Script: /board/board.php?boardid=4&sid=57625557b6cfe2834f27a7463f94b884
Referer: