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: 26.04.2024 @ 01:08
Script: /board/thread.php?goto=lastpost&threadid=22&sid=f1310c5dababcc2afac60906c6f7fc01
Referer: