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 @ 12:27
Script: /board/thread.php?goto=nextoldest&threadid=918&sid=a02bc4043896d0a76231b0b340c4c566
Referer: