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: 16.04.2024 @ 20:25
Script: /board/profile.php?userid=50&sid=a3cc3a408ead9e2026921f84a637e74c
Referer: