ShopeePay Response Codes

Code	Message
-2	A server dropped the connection.
-1	A server error occurred.
0	Success.
1	Request parameters error.
2	Permission denied.
4	Merchant/Store not found.
6	The user making the payment has not activated their wallet.
7	Expired.
9	User’s account is banned.
11	Duplicate request/transaction.
24	User's account is frozen.
42	Insufficient balance.
101	One of the user’s wallet limits has been exceeded.
102	One of the user’s wallet limits has been exceeded.
103	User exceeded daily payment limit. Limit will reset the next day.
104	One of the user’s wallet limits has been exceeded.
105	Authorization code is invalid.
121	Client attempts to update completed transaction.
301	Invalid payment code or QR content.
303	Merchant is trying to make payment to their own user account.
304	Refund/Void. Cannot be processed due to payment exceeding validity period. Valid refund period is set at 24 hours by default.