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: 18.07.2025 @ 23:33
Script: /board/index.php?sid=3e18c5fd91f9f0bcb0fda2802276f829
Referer: