We're running an internal migration of all old players' stats to our new highly advanced statistics tracking backend. This means that stat changes will be a bit delayed while we ingest this huge backlog of data. Nothing is being lost, it'll just take a bit longer to show up in the in-game UIs.
https://www.cubecraft.net/forums/report-a-player.24/
(Make sure to read the guides on how to report players)
If you wish to appeal, please do so here
https://appeals.cubecraft.net/
Good luck! :)