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 @ 08:35
Script: /board/profile.php?userid=3&sid=a3a6882e8d1b208379ddef6227d206d8
Referer: