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 @ 20:38
Script: /board/newthread.php?boardid=3&sid=920a42549f4d95a62a116f6d2537bdfc
Referer: