We are unable to process your payment at this moment.
It might be caused by some reason as below:

1- Not register online services at bank for online payment.
2- Insufficient fund for payment (daily or monthly)
3- Incorrect card number
4- For Visa, MasterCard: During the payment flow you are asked to enter password of Verified by Visa or MasterCard SecureCode program, but you did not complete this authentication step. Please contact your issuer bank about this.

Otherwise, please be patient for a while our dedicated team will contact you via email or phone shortly for solutions or you can email to [email protected] or our hotline: +84 886 036 668 for urgent matter.

You can find the “pay again” button on bottom of this article so that you can make a payment again.
Thank you very much for your patience!