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 @ 00:56
Script: /board/thread.php?goto=nextnewest&threadid=914&sid=5721e1f581bd8e47c82f117c6132cfbc
Referer: