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 @ 10:26
Script: /board/newthread.php?boardid=2&sid=2553cbdc54c786a5f453499b5b7c26a9
Referer: