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: 28.03.2024 @ 18:18
Script: /board/newthread.php?boardid=7&sid=a90c355c43b7bba3a4341fb83b906300
Referer: