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 @ 20:30
Script: /board/newthread.php?boardid=7&sid=855eb838dce1b7837fc674fbe72a33ee
Referer: