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 @ 16:22
Script: /board/newthread.php?boardid=11&sid=9931e0518f8ba1a455354066a49e61ce
Referer: