That's not what we like to hear. So sorry to hear about this experience, @Promise1987. Let's do some investigating. Did you receive the notification advertising that you're eligible for the BoostUP! program? If yes, what error message are you getting when placing an order?
Thanks for the information, @Promise1987. Can you please send us a private message with your phone number and PIN?
To send a private message just click on the picture of any Boost Mobile agent and, in the next screen, click "send this user a private message".