Why won't any in-app purchases work for me?

[Tmonine]

whenever i try and purchase an in-app purchase it says that "this is not a test user account" and that i should "please create a new account in the sandbox environment"

how can i fix this?

[MidianGTX]

Only help I can find on the subject:

http://getsatisfaction.com/tapulous/topics/_this_is_not_a_test_user_account_please_create_a_n ew_account_in_the_sandbox_environment_s_this_mean

[Tmonine]

i uninstalled then reinstalled the game now its working fine - but ive lost all my progess :-(