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: 27.04.2024 @ 02:13
Script: /board/newthread.php?boardid=2&sid=15deb25ddd7ce7eac218466c26f04cab
Referer: