Check that you have included the transaction costs into your payment. Otherwise : -> Resend the missing part and send an email to support with the Txid of the additional transaction.
Crypto transaction with Txid hash is still pending. If you provided incorrect Txid: -> Buy a new pack for the same amount and enter the correct Txid.
You have created multiple purchases with the same Txid. Transaction failed as duplicate. -> Send an email to support.
