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 @ 10:11
Script: /board/board.php?boardid=1&sid=7dcb2105481f5aeca3b9e08d3d884136
Referer: