Error Codes

Table of error code

Error Code	Description
0	Payment successful
1	Payment failed
9	Order is waiting for payment
18	Order is cancelled by customer
19	"neo_MerchantTxnID" is duplicated.
30	Payment gateway integration information has not been approved
31	Invalid neo_OrderID
32	Invalid neo_MerchantTxnID
33	Invalid neo_Amount
34	Invalid neo_Currency
35	Creating a payment link failed because the merchant has not yet allowed payment via international cards
36	Payment with token only support for international cards
37	Invalid neo_Amount (with decimal for currencies other than VND)
40	Invalid neo_ExtData
41	Invalid neo_ExtData.payItems.orderId
42	The price of total products does not match to the total amount
43	Merchant hasn't registed for credit bill holding feature
51	Only unprocessed orders can be canceled
99	Order is processing.
-1	Order is expired