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: 25.04.2024 @ 20:24
Script: /board/search.php?searchid=23858&sid=46463c272d6e9b042872bb17c369972d&page=2
Referer: