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: 28.03.2024 @ 15:55
Script: /board/newthread.php?boardid=5&sid=41345a82610bb411011c25f7aa8f1a6c
Referer: