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 @ 11:43
Script: /board/search.php?sid=3499a2cc0a8c1f723f47762f3b476e24
Referer: