This may happen when you have an existing active subscription pack on the email id/number you are trying to pay for. Please check for current packs activated on your account.
How can I purchase subscriptions on Freecharge?
How much time will it take for activating the subscription?
Can I cancel a subscription purchased on Freecharge for a refund?
Why did my subscription payment fail?
My payment was successful, but the subscription purchase failed?
I have made the payment for an incorrect phone number or email address, can I ge...
I have purchased the same pack more than once on the same number, can I get this...
Can I purchase a subscription for any amount or any pack?