The customer's payment was successful, But the receipt comes from the SKAi2 Tablet says, FAILED, what should I do?

• If this case happened, please submit a payment failed report provided with the following details: 
  • Customer Name. 
  • Purchased Date.
  • Purchased Amount.
  • Payment Mode. 
• You can submit your complaint to SKAi2 Customer Support Team at [e-mail].