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 @ 13:53
Script: /board/addreply.php?postid=2159&action=quote&sid=9cdad736fe2cd091bdc9178a1781620b
Referer: