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: 25.04.2024 @ 20:57
Script: /board/board.php?boardid=12&sid=5a45b90d703b7b2910fad072d2be6a25
Referer: