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: 19.04.2024 @ 20:57
Script: /board/board.php?boardid=1&sid=712ddb4dad4ed9520da4f72f981ff25d
Referer: