Hello, TempestTM, In-Game you can try and do /upgrade 1 or after 24 hours after purchased if it still isn't working, email
[email protected] explaining you're situation also provide some proof of purchase, so the receipt you receive from when you brought the Stats Reset. Have a great day!
QA;TL - If you have any other concerns or questions, feel free to inbox me or another staff member on the forums, teamspeak, or In-Game!