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: 19.04.2024 @ 04:29
Script: /board/search.php?sid=8aab40750d37740e9f8eeaf98a7563c6
Referer: