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 @ 02:16
Script: /board/search.php?sid=3c3a18b9b2f58e8084ff422d42bc91e0
Referer: