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: 01.05.2024 @ 21:50
Script: /board/search.php?action=24h&sid=240e6252d73d0693da7fd382cccf62c6
Referer: