Error Response Codes

Category	Response Code	Description	Remark
System	E001	Internal Service Error	Any internal service error/failure/cannot connect to Redis. etc.
	E002	DS Connection error: System is temporarily unavailable	DS connection error
	E003	Invalid Request
	E004	Missing mandatory field
	E005	Data not found
	E006	Message Version Not Supported
	E007	Sent Messages Limit Exceeded
	E008	Data Decryption Failure
	E009	Access Denied Invalid Endpoint
	E010	System Connection Failure
	E011	System Connection Time Out
3DSS Authentication Service	A001	Can't find Acquirer with code {AcquirerCode}	AcquirerCode is wrong.
	A002	2.0 is not supported for this card	Transaction is not supported for 3DS2 protocol and Bank should handle the 3DS1 by their side.
	A003	Card scheme not found - {cardSchemeName}	Card scheme of the transaction is not supported by the acquirer.
	A004	Can't find merchant with code {MerchantCode}	Merchant is not registerd with the acquirer.
	A005	Merchant disabled {MerchantCode}	Merchant is disabled by the acquirer.
	A006	Pan in incorrect format - {Card.CardNumber}	Transaction PAN format is wrong.
	A007	Error during call MPI", Version = "1.0"	This is only for the redirection of 2c2p old MPI.
	A008	Can't find BIN for merchant {acquirerMerchant.MerchantCode}"	Acquirer BIN is not assigned to the merchant.
	A009	Can't find DS Settings	Acquirer has not set the Directory Server settings.
	A010	3DS Requestor Data not found	Requestor details are not correct.
	A011	Error from DS	Error comes from the Directory Server
	A012	Error from ACS	Error comes from the ACS
	A013	Card range not found	Card range is not update from DS
	A014	3RI payment message not supported for 2.1.0
	A015	Purchase data incorrect
	A016	Unauthorized token
	A017	MPI Response with error, VBV Result {0}	Handling 3DS1 transactions with MPI (only for 2C2P MPI)
	A018	ISO Code Invalid	Handling 3DS1 transactions with MPI (only for 2C2P MPI)
	A019	PaRes can't be empty for 1.0	Handling 3DS1 transactions with MPI (only for 2C2P MPI)
	A020	Error during call PA Response	Handling 3DS1 transactions with MPI (only for 2C2P MPI)