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: 24.04.2024 @ 02:22
Script: /board/profile.php?userid=1&sid=2a231e8ee0e33a96f064490cb3c25be6
Referer: