Error Codes

This is the list of response codes returned by PG payment services.

PG Common Response Codes

Code	Description	Code	Description
`0000`	Successful	`0009`	User cancelled
`1001`	Missing payment request info (merchant ID)	`1002`	Missing payment request info (payment method)
`1003`	Missing payment request info (transaction date)	`1004`	Missing payment request info (transaction time)
`1005`	Missing payment request info (merchant order number)	`1006`	Missing payment request info (merchant Korean name)
`1007`	Missing payment request info (merchant English name)	`1008`	Missing payment request info (product name)
`1009`	Missing payment request info (transaction amount)	`1010`	Missing payment request info (result processing URL)
`1011`	Missing payment request info (result screen URL)	`1012`	Missing payment request info (payment cancel URL)
`1013`	Missing payment request info (merchant customer ID)	`1101`	Payment request info length error (merchant ID)
`1102`	Payment request info length error (payment method)	`1103`	Payment request info length error (request date)
`1104`	Payment request info length error (request time)	`1105`	Payment request info length error (merchant order number)
`1106`	Payment request info length error (merchant Korean name)	`1107`	Payment request info length error (merchant English name)
`1108`	Payment request info length error (product name)	`1109`	Payment request info length error (transaction amount)
`1110`	Payment request info length error (customer name)	`1111`	Payment request info length error (result processing URL)
`1112`	Payment request info length error (result screen URL)	`1113`	Payment request info length error (payment cancel URL)
`1114`	Payment request info length error (merchant reserved field)	`1115`	Payment request info length error (email)
`1116`	Payment request info length error (product provision period)	`1117`	Payment request info length error (merchant customer ID)
`1118`	Payment request info length error (tax exemption status)	`1119`	Payment request info length error (taxable amount)
`1120`	Payment request info length error (VAT amount)	`1121`	Payment request info length error (non-taxable amount)
`1122`	Payment request info length error (service charge)	`1123`	Payment request info length error (card payment type)
`1124`	Payment request info length error (specific card issuer code)	`1125`	Payment request info length error (app schema)
`1126`	Payment request info length error (customer IP address)	`1127`	Payment request info length error (hash data)
`1901`	Hash value mismatch error	`1902`	Encryption item unprocessed error
`2001`	Security number does not match	`2002`	Security number authentication attempts exceeded
`2003`	Authentication timeout	`5001`	Access via invalid path (null error)
`5002`	Transaction timeout (expired error)	`5003`	Access via invalid path (encoding error)
`5004`	Access via invalid path (parse error)	`5005`	Access via invalid path (mapping error)
`5006`	Access via invalid path (io error)	`6001`	Invalid request message
`9001`	Legacy code lookup error	`9002`	Checkout option lookup error
`9003`	Checkout banner lookup error	`9004`	Terms list lookup error
`9005`	Notice lookup error	`9006`	Partnership discount lookup error
`9007`	Payment info lookup error	`9901`	Gateway request message error
`9902`	Gateway response message error	`9903`	Gateway request error
`9904`	Gateway response error	`9905`	Gateway system error
`9999`	Internal system error	`3007`	Cancellation limit exceeded
`ST01`	Customer info not found	`STR1~STR8`	Internal policy
`ST06`	Transaction info not found	`ST03`	Already paid transaction
`ST08`	Account already registered	`ST07`	Invalid message
`ST09`	Invalid request message	`ST10`	Internal system error
`ST11`	Source system maintenance period	`ST13`	No authentication record
`ST19`	Transaction not possible (other)	`ST24`	Account holder mismatch
`ST25`	Duplicate cancellation request	`ST26`	Cancellation info error
`ST30`	Authentication session expired	`ST32`	Account holder name error
`ST38`	Processing in progress	`ST39`	Duplicate refund request
`ST41`	Excessive traffic	`ST44`	Source system info error
`ST45`	Cancellation failed	`ST46`	Cancellation period elapsed
`ST47`	Unregistered store	`ST48`	Unregistered merchant
`ST50`	Duplicate request	`ST54`	Partial cancellation not available
`ST55`	Mixed tax amount mismatch	`ST56`	Cancellation sequence error
`ST57`	Cancellation amount (refund amount) exceeds original transaction amount.	`ST58`	Cancellation request amount does not match original transaction amount.
`ST60`	Abnormal processing	`ST68`	Service suspended
`ST69`	Service unavailable	`ST70`	Policy blocked
`ST79`	System error	`ST90~ST97`	Defined individually per payment method
`ST99`	Other error	`VTIM`	Source system timeout

Credit Card Response Codes

Code	Description	Code	Description
`CA01`	Source system maintenance	`CA02`	Source system failure
`CA03`	Message validity check	`CA04`	Payment relay failure
`CA10`	Transaction info not found	`CA11`	Already acquired transaction
`CA12`	Already cancelled transaction	`CA13~CA19`	Request info error
`CA20`	Card expiration date is invalid.	`CA21~CA23`	Installment-related error
`CA26`	Usage count exceeded	`CA27~CA29`	Password-related error
`CA30`	Identification number error	`CA31~CA37`	Limit-related error
`CA38`	Transaction not available due to insufficient points	`CA40~CA41`	Transaction amount error
`CA42`	Transaction not available for amounts under 1,000 KRW or 99,999,999 KRW and above	`CA50~CA57`	Card status error
`CA58`	Unregistered card. Please contact the card issuer.	`CA60~CA64`	Merchant status error
`CA59`	Corporate card transactions are not available.	`J999`	Please call the card issuer
`CA65`	Merchant not contracted for authenticated transactions	`CA70`	Identification number (date of birth/business registration number) + password is invalid
`CA75`	Public certificate authentication info is invalid.	`CA80`	Transaction service unavailable
`CA81`	Error occurred during transaction processing	`0905`	Identity verification required
`CA82`	Please call the card issuer	`CA83`	This transaction cannot be cancelled.
`CA84`	Other error occurred.	`CA85`	Error occurred during cancellation transaction processing.
`CA86`	Duplicate transaction.	`CA87`	Merchant number is invalid.
`CA88`	Partial cancellation is not available for this prepaid card (gift card).	`8373`	Please call the card issuer
`8375`	Other error handling

Mobile Payment Response Codes

Code	Description	Code	Description
`MP01`	Request data error	`MP02`	Request info mismatch
`MP03`	Payment info not found	`MP04`	Unregistered merchant/service
`MP05~MP13`	Customer-related payment unavailable	`MP14~MP17`	Mobile carrier micropayment unavailable
`MP18~MP19`	Mobile carrier micropayment consent	`MP20~MP21`	Mobile carrier micropayment block request
`MP22`	Mobile carrier automatic payment block	`MP23~MP26`	Limit exceeded
`MP27~MP33`	Source system RM (imPAY)	`MP34~MP36`	Source system duplicate processing
`MP37~MP40`	Source system additional service	`MP41~MP44`	Micropayment password
`MP45`	No previous month info for monthly auto-payment	`MP50~MP51`	Validity time exceeded
`MP60~MP77`	Authentication-related error	`MP78`	Simple payment service
`MP80`	Cancellation failed	`MP81`	Cancellation period elapsed
`MP82`	Already cancelled transaction	`MP94`	Service unavailable
`MP95~MP96`	Excessive source system traffic	`MP97`	Internal error
`MP98`	Other error	`MP99`	Checkout authentication cancellation processed

Account Transfer Response Codes

Code	Description	Code	Description
`RA01`	Transfer count exceeded	`RA02~RA04`	Limit-related error
`RA05`	Insufficient balance	`RA10~RA13`	Customer info mismatch
`RA14`	Amount exceeded	`RA15`	Amount mismatch
`RA16`	Duplicate payment	`RA17`	Bank info not found
`RA20`	Bank info not found	`RA21`	Account number status error
`RA30~RA31`	Business hours closed	`RA32`	Service unavailable merchant
`RA33`	Already cancelled transaction	`RA34`	Original transaction lookup failed
`RA35`	Transaction info not found	`RA40`	Check processing
`RA41`	Certificate processing	`RA80~RA81`	Source system network error
`RA82`	Hecto Financial error	`RA83`	Source system network error
`RA84`	Hecto Financial error	`RA85`	Authentication processing
`RA86~RA87`	Bank error	`RA88`	Bank business hours closed

Virtual Account / Reconciliation API Response Codes

Code	Description
`0000`	Processed successfully.
`1001`	No lookup records
`ST09`	Invalid request message
`ST10`	Internal system error
`ST90`	Unregistered merchant ID
`ST91`	Required parameter error
`ST92`	Hash value mismatch

Point Damoa Response Codes

Code	Description	Code	Description
`CP01`	Limit exceeded	`CP02`	Available amount exceeded
`CP03`	Request amount exceeded	`CP04`	Amount mismatch
`CP10~CP11`	Customer info lookup failed	`CP12`	Authentication-related
`CP13`	Customer info not found	`CP14`	Terms record not found
`CP15~CP16`	Member info related	`CP17`	Duplicate payment error
`CP30`	Already cancelled transaction	`CP31`	Transaction time expired
`CP32~CP33`	Original transaction lookup failed	`CP34`	Duplicate payment error
`CP70`	Merchant status error	`CP71`	Advertisement-related error
`CP80~CP87`	Source system-related error	`CP88`	File-related error
`CP89`	Point lookup-related error	`CP90`	Input info error

Gift Certificate Response Codes

Code	Description	Code	Description
`GC01`	Request data error	`GC02`	Request info mismatch
`GC03`	Payment info not found	`GC04`	Unregistered merchant/service
`GC05`	Payment info not found	`GC06`	Duplicate payment error
`GC07`	Limit exceeded	`GC08`	Processing complete
`GC09`	Authentication info error	`GC10`	Member info related
`GC11`	Limit exceeded	`GC12~GC13`	Merchant status error
`GC20~GC24`	Source system-related error	`GC40`	Cancellation failed
`GC41`	Cancellation already processed	`GC42`	Cancellation not available
`GC94`	Service unavailable	`GC95~GC96`	Source system error
`GC97`	Internal error	`GC98`	Other error
`ST90`	Gift certificate individual alert window display

T-money Response Codes

Code	Description	Code	Description
`TM01`	Already cancelled transaction	`TM02`	Payment info not found
`TM03`	Duplicate cancellation	`TM04`	Cancellation amount exceeded
`TM05`	Request data error	`TM11`	Cancellation error
`TM14`	Unregistered merchant/service	`TM22~TM23`	CASHBEE transaction
`TM30`	Refund period exceeded	`TM40`	Cancellation failed
`TM99`	Unknown error

Simple Payment Response Codes

Code	Description	Code	Description
`PZ01`, `PZ05`	Source system maintenance	`PZ02`	Source system failure
`PZ03`	Payment relay error	`PZ04`	Unauthorized access
`PZ06`	Invalid account	`PZ07`	Invalid card number
`PZ08`	Card expiration date is invalid	`PZ09`	Request info error
`PZ10`	Original transaction info not found	`PZ14~PZ19`	Password-related error
`PZ26~PZ27`	Invalid amount	`PZ31`	Transaction unavailable merchant
`PZ32`	Merchant operating hours ended	`PZ33~PZ35`	Payment method transaction unavailable
`PZ40`, `PZ42`	Installment-related error	`PZ45`	Authentication error count exceeded
`PZ50~PZ54`	Card status error	`PZ60~PZ65`	Member info-related error
`PZ69`	Message format error	`PZ70`	Transaction service unavailable
`PZ71`	Error occurred during transaction processing	`PZ72`	Coupon cannot be used.
`PZ73`	Business/corporate registration number mismatch	`PZ74`	Please call the card issuer
`PZ75`	Transaction cannot be cancelled	`PZ76`	Other error
`PZ77~PZ78`	Refund/cancellation processing error	`PZ79`	Transaction time limit expired
`PZ80`	Not within queryable period	`PZ81`	Transaction in progress
`PZ82`	Approval record not found	`PZ83`	Coupon not applicable
`PZ84`	Refund not available	`PZ85`	Event participation not available
`PZ86`	Already processed transaction	`PZ87`	Already cancelled transaction
`PZ88`	Already acquired transaction	`PZ89~PZ90`	Authentication info-related error
`PZ91`	Discount not applicable

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