Errors

The complete list below is returned in the Result only when Detailed Result Codes are enabled in the Protocol Command. If not enabled, only 0x00 or 0x01 will be returned.

This list is reproduced here from the Result as an easily accessed reference list.

Code	Reason	Code	Reason
0x00	OK	0x09	Internal Error
0x01	Not OK	0x0A	No Transaction Running
0x02	Unknown Command	0x0B	Duplicate Session Id Found
0x03	Incorrect Message	0x0C	Session ID not Found
0x04	Incorrect Checksum	0x0D	Requested service not supported by terminal configuration
0x05	Incorrect PSP State	0x0E	Request service, payment application in invalid state
0x06	Unknown Card	0x0F	Overflow (Data returned too large)
0x07	Transaction Cancelled	0x10	Access Denied
0x08	Incorrect UI Screen	0x11	Not Ready (for example during system startup)