also make sure to create the tables: https://github.com/Sineware/minesine-server/blob/main/tables.sql
(#general from "Sineware")
minesine-server/tables.sql at main · Sineware/minesine-server
Sineware Labs - Minesine Metaserver. A Minecraft server proxy for public/online-mode servers. - minesine-server/tables.sql at main · Sineware/minesine-server