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: 24.04.2024 @ 02:08
Script: /board/search.php?sid=c42bceb6890e4cca9c69f2a6f4f85b12
Referer: