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: 29.03.2024 @ 09:54
Script: /board/board.php?boardid=10&sid=1b7c0c6cf1e51a9570a6679e632e663c
Referer: