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 @ 18:30
Script: /board/board.php?boardid=8&sid=f343fefd26c2a2f7c8cea8335be59812
Referer: