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: 23.04.2024 @ 08:40
Script: /board/misc.php?action=viewip&postid=14633&sid=5721e1f581bd8e47c82f117c6132cfbc
Referer: