@MojangSupport I bought the game from the official website and I was playing the game for a while but now It says that I have to buy the game again. Is there any way I can get in contact with one of the support staff?
While we can't help with account-specific issues here, you can reach us at the link below, and provide as much account information as possible (username/email/Transaction ID/purchase date/etc): https://help.minecraft.net/hc/en-us/requests/new … and we'll respond as soon as possible ^SA