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.
Appeal denied? CrazymanJR checked the logs on suspicious things and he saw clearly that you were hacking.
Appeal accepted? Everything is fine, no worries it was just a mistake from the Anti-Cheat.