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 @ 19:39
Script: /board/newthread.php?boardid=24&sid=712a0a04d859eb33eea3502931864512
Referer: