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: 24.04.2024 @ 13:00
Script: /board/newthread.php?boardid=9&sid=03918201e2ab8094cfb012facfd5f47a
Referer: