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 @ 15:05
Script: /board/thread.php?goto=lastpost&threadid=938&sid=a3cc3a408ead9e2026921f84a637e74c
Referer: