This usually happens when you use a Credit/Debit Card for the payment.

1. It may happen that your bank card does not have e-bank functionality. Please inquire with your local bank service centre for more details.

2. It may happen that your bank card has payment limitation on specific regions. Please try another bank card.

3. It may happen that your bank card is expired, invalid, reported as lost, or has insufficient funds. Please inquire with your local bank service centre for more details.

4. It may happen that the external payment system have date transfer deviation. Please refresh the website and try again later.

5. It may happen that your account has payment amount limitation. Please contact your payment solution service centre, to inquire about alternative solution, e.g. increase quotas temporarily.

6. It may happen that the website is facing payment peak time. Please close the website and try your payment again later.

If your payment is still invalid, you can try to use other payment methods or use more convenient, more secure PayPal payment!