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: 20.04.2024 @ 06:05
Script: /board/search.php?sid=0587e03a8a0ecba1581a2356f5e5bb6b
Referer: