# Error Codes

This is a comprehensive list of all the possible error codes and their corresponding meaning.

Error	Code	Description
TIMEOUT_EXCEEDED	112	The timeout specified by the client POS has been exceeded.
TRANSACTIONID_NOT_FOUND	201	The transaction ID in the void or refund request has not been found.
INTERNAL_ERROR	202	An internal error has ocurred.
MALFORMED_REQUEST	203	The terminal was not able to parse the request, likely due to syntactical errors.
REQUEST_SIGNATURE_MISSING	203	The request is missing the signature.
AUTHORIZATION_NOT_SETTLED	204	Attempt to refund authorization that has not yet been settled.
CANNOT_VOID_CAPTURED_AUTHORIZATION	206	The attempt to void an authorization that has already been captured has failed.
AUTHORIZATION_ALREADY_VOIDED	207	Attempt to void an authorization that has already been voided.
TXN_ALREADY_VOIDED	207	Attempt to void an already voided transaction.
TRANSACTION_ALREADY_REFUNDED	208	Attempt to refund a transaction that has already been refunded.
REQUEST_SIGNATURE_MISMATCH	209	The signature of the request incorrect.
SETTLEMENT_SUBMISSION_ERROR	210	Reserved for future use.
SETTLEMENT_SUBMISSION_ERROR	211	Transaction has been declined by the processor.