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: 16.04.2024 @ 20:35
Script: /board/search.php?sid=44d90ed45bd53f5b3948ec9d0a388a8f
Referer: