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: 19.03.2024 @ 03:58
Script: /board/board.php?boardid=1&sid=8dbfa9a91f9cb332c94824f088023948
Referer: