Registered? Not leveling...

[MayJayz10]

Hi, been trying to work out why nothing i do increases my skyblock or survival level? Thought maybe it was because i wasn't registered... i don't ever remember being prompted in-game to set a password, and the command /login /register just say they are not commands... really wanna play but without progress what's the point? Playing on a official non-cracked account. If anyone can help it'd be much appreciated :)