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 @ 18:42
Script: /board/newthread.php?boardid=5&sid=42d3f5fe3a43267eea4c740f89432cc6
Referer: