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: 16.04.2024 @ 11:04
Script: /board/thread.php?goto=lastpost&threadid=951&sid=c5f69eab9693a7ba3becab8fb8ef179e
Referer: