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: 20.04.2024 @ 04:06
Script: /board/addreply.php?threadid=930&sid=db3a44d060e411fcca65a2dd73008003
Referer: