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: 19.04.2024 @ 20:45
Script: /board/newthread.php?boardid=2&sid=0113d51c35c6b7db8f594be3e6c1bda7
Referer: