Error Codes

This document lists all error codes returned by the FlightHub API, organized by functional category. Error codes follow a hierarchical numbering system where the first two digits represent the category.

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00000 - Flight Hub (General Errors)

General system errors and authentication issues.

Code	Message
00001	Authentication has failed.
00002	Access is unauthorized.
00003	Access denied.
00004	The requested endpoint could not be found.
00005	The user '0' could not be found.
00006	This method has already been initialized within the current scope.
00007	Customer '0' not found.
00008	The value '0' is invalid for '1'.
00009	The Client API instance cannot be created again.
00010	'0' must not be empty.
00011	The item '0' is required.
00012	The item '0' is invalid.
00013	System '0' not found.
00014	System code '0' has already been created.
00015	The system has generated related data and cannot be deleted.
00016	System config '0' not found.
00017	System config code '0' has already been created.
00018	The system config has generated related data and cannot be deleted.
00019	The SystemId 0 is being activated more than once. Please check again.
00020	SourceProviderSystemId 0 and SystemId 1 already exist. Please check again.
00021	Failed to update SourceProviderSystem. Please check again.
00022	SignInGroup '0' not found.
00023	SignInGroup code '0' has already been created.
00024	The SignInGroup has generated related data and cannot be deleted.
00026	The SystemConfigId 0 is being added more than once. Please check again.
00027	SystemConfig 0 and SystemId 1 already exist. Please check again.
00028	SignInGroupId must greater than or equal zero
00029	Cache '0' not found.
00030	Cache with systemId '0' and cacheType 1 has already been created.
00031	Failed to update Request Quota. Please check again.
00032	SystemConfig 0 already exist. Please check again.
00033	Enter your JWT token in the Authorization header using the Bearer scheme.
00034	Failed to update SignInGroupConfig. Please check again.
00035	The key has expired. Please request a new key or contact support.
00036	Unknown error code
00037	Load airport time zones error
00038	System is not supported
00039	Service is invalid
00040	The airline system is invalid
00041	The system is invalid
00042	Booking code is not empty
00043	Currency conversion service unavailable
00044	The provided Trace ID is invalid.
00045	Binary security token Invalid
00046	Payment transaction not found
00047	Booking status is invalid
00048	The system does not have a Source Provider
00049	Different Source Provider
00050	Different System
00051	Unsupported flight info request type
00052	Booking signature is invalid
00053	You have exceeded the allowed limit for this 0
00054	Field '0' must be a valid type
00055	Login failed.
00056	Invalid flight values

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01000 - Search Flight

Errors related to flight search operations.

Code	Message
01001	Search flight error
01002	Itinerary is required
01003	The number of passengers must not exceed 0
01004	Departure time must not exceed 0 days
01005	Only 'oneway' and 'roundtrip' search types are supported.
01006	Departure and destination points must not be the same
01007	Departure time cannot be earlier than the current time
01008	The number of infant passengers must not exceed the number of adult passengers
01009	The number of adults must be at least 1
01010	The next departure time must not be earlier than the previous departure time

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02000 - Search Minfare

Errors related to minimum fare search operations.

Code	Message
02001	Search minfare error
02002	Search mode is not empty
02003	Route info is not null
02004	Route leg is not empty
02005	Route start point is not empty
02006	Route end point is not empty
02007	Unsupported search mode

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02700 - Face Booking

Errors related to face booking operations.

Code	Message
02700	Face booking error

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03000 - Search Exchange

Errors related to exchange flight search operations.

Code	Message
03000	Search exchange flight error

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04000 - Select Verify

Errors related to flight selection and verification.

Code	Message
04000	Select flight error
04001	The price has been changed, the old price was 0, and the new price is: 1
04002	Get flight info error

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05000 - Fare Rules

Errors related to fare rules retrieval.

Code	Message
05000	Get fare rules error

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06000 - Book

Errors related to flight booking operations.

Code	Message
06000	Book flight error
06001	Flight value is not empty
06002	List of flight value is not empty
06003	Booking contact is not empty
06004	Email in contact is not empty
06005	Phone in contact is not empty
06006	List of passenger in booking is not empty
06007	Passenger name is not empty
06008	Passenger type is not empty
06009	Only 'oneway' and 'roundtrip' booking types are supported.
06010	Departure within 24 hours. Use Pay Now to issue the ticket.
06011	Identity card must contain exactly 12 numeric characters
06012	Passenger seatmap is not empty.
06013	Passenger ancillary is not empty.
06014	Passenger baggage is not empty.
06015	Total number of passengers does not match. Expected: 0, Actual: 1
06016	Number of 0 passengers does not match. Expected: 1, Actual: 2

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07000 - Retrieve Booking

Errors related to booking retrieval operations.

Code	Message
07000	Retrieve booking error

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08000 - Retrieve Ticket

Errors related to ticket retrieval operations.

Code	Message
08000	Retrieve ticket error
08001	Ticket type is not empty

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09000 - Price Quote

Errors related to price quote operations.

Code	Message
09000	Price quote error

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10000 - Issue TKT

Errors related to ticket issuance operations.

Code	Message
10000	Issue ticket flight error
10001	Ticket is already issued
10002	Booking is issued ticket
10003	Booking has not been ticketed or has been canceled
10004	Commission amount must greater than or equal zero
10005	No fares found

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11000 - Issue EMD

Errors related to EMD (Electronic Miscellaneous Document) issuance.

Code	Message
11000	Issue EMD error

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12000 - Issue Queue Place

Errors related to queue placement for ticket issuance.

Code	Message
12000	Queue Place error.
12001	Ticket issuance is in progress
12002	Issue PCC or Queue Number is not configured

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13000 - Refund

Errors related to ticket refund operations.

Code	Message
13000	Refund ticket error
13001	Ticket number has already been refunded.
13002	All tickets have been refunded.
13003	Refund value is not empty
13004	Ticket number not found
13005	Is emd ticket is not empty
13006	Ticket number is not empty
13007	This fare class is non-refundable.

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14000 - Cancel

Errors related to booking cancellation operations.

Code	Message
14000	Cancel booking is error
14001	Not found canncel offers

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15000 - Void

Errors related to ticket void operations.

Code	Message
15000	Void ticket is error
15001	List ticket is not empty
15002	Booking code does not match the voided ticket
15003	There exists a number of tickets that have not been Voided. PNR cannot be canceled.
15004	Void ticket failed.

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16000 - Change Flight

Errors related to flight change operations.

Code	Message
16000	Change flight error
16001	Flight cancel value is not empty
16002	Flight add new value is not empty
16003	At least one of FlightCancels or FlightAddNews must be provided

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17000 - Exchange Ticket

Errors related to ticket exchange operations.

Code	Message
17000	Exchange ticket error
17001	Exchange flight value is not empty
17002	Flight fare option invalid or sold out
17003	Reprice for exchange ticket error
17004	Confirm for exchange ticket error

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18000 - Contact

Errors related to contact information updates.

Code	Message
18000	Update contact error
18001	Contact email is not empty
18002	Contact phone number is not empty
18003	Booking information not found by 0

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19000 - Document

Errors related to passenger document operations.

Code	Message
19000	Add document error
19001	Delete document error
19002	List document is not empty
19004	List document number not found.
19005	List of passenger is not empty
19006	Passenger document is required for 0 system.
19007	Document number must not exceed 12 characters.
19008	Passenger document info is not empty
19009	Passenger document type is not empty
19010	Passenger document code is not empty
19011	Passenger document dateOfbirth is not empty
19012	Passenger document expiry is not empty
19013	Passenger document nationality is not empty
19014	Passengerst document issue country is not empty
19015	Passengers not found

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20000 - Seat

Errors related to seat map and seat selection operations.

Code	Message
20000	Get seatmap error
20001	Add seat error
20002	Delete seat error
20003	Not found flight offer

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21000 - Baggage

Errors related to baggage operations.

Code	Message
21000	Get baggage error
21001	Add baggage error
21002	List baggage is not empty
21003	Baggage value is not empty
21004	Delete baggage error

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22000 - Ancillary

Errors related to ancillary service operations.

Code	Message
22000	Get ancillary error
22001	Add ancillary error
22002	List ancillary is not empty
22003	Ancillary value is not empty
22004	Quantity must greater than 0
22005	Delete ancillary error

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23000 - Passenger

Errors related to passenger information updates.

Code	Message
23001	Update passenger error
23002	Passenger namem id is not empty
23003	Passenger given name is not empty
23004	Passenger surname is not empty
23005	Passenger DateOfBirth is not empty
23006	Passenger parentId is not empty
23007	Passenger title is not empty
23008	Passenger gender is not empty

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24000 - Split Passenger

Errors related to passenger splitting operations.

Code	Message
24001	Split passenger error
24002	Infant passengers are not allowed for this operation.
24003	Split passengers do not match the passengers in the booking.

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25000 - Add Infant

Errors related to adding infant passengers.

Code	Message
25000	Add infant error
25001	Add infant error for Index: [0], InfantName: 1
25002	List infant is not empty
25003	Infant title is invalid.
25004	Infant parentId is not empty
25005	Infant title is not empty
25006	Infant gender is not empty
25007	Infant given name is not empty
25008	Infant surname is not empty
25009	Infant DateOfBirth is not empty

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26000 - Membership

Errors related to frequent flyer membership operations.

Code	Message
26001	Add membership error
26002	Delete membership error
26003	List membership is not empty
26004	Passenger membership info is not empty
26005	Passenger membership Id is not empty

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27000 - Face Booking

Errors related to face booking operations.

Code	Message
02700	Face booking error

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28000 - Remark

Errors related to remark operations.

Code	Message
28000	Add remark error
28001	Delete remark error
28002	Add remark ticket error
28003	List remark is not empty
28004	Remark info is not empty

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29000 - OIS

Errors related to OSI (Other Service Information) operations.

Code	Message
29000	Add OIS error
29001	Delete OIS error
29002	List OIS is not empty

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30000 - SK

Errors related to SSR (Special Service Request) / SK operations.

Code	Message
30000	Add SK error
30001	Delete SK error
30002	List sk is not empty
30003	SK is not empty
30004	SK type is not empty

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31000 - TST

Errors related to TST (Transitional Stored Ticket) operations.

Code	Message
31000	Update tst error

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32000 - Sales Report

Errors related to sales report operations.

Code	Message
32000	Sales report error
32001	From date is not empty
32002	To date is not empty

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33000 - Send Queue

Errors related to sending queue operations.

Code	Message
33000	Send queue error
33001	Queue number is not empty
33002	Category number is not empty

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34000 - Send Email

Errors related to email sending operations.

Code	Message
34000	Send email ticket error

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35000 - Check-in Online

Errors related to online check-in operations.

Code	Message
35000	Check-in online error

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36000 - Agent Credit

Errors related to agent credit operations.

Code	Message
36000	Get agent credit error

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37000 - Endorsement

Errors related to endorsement operations.

Code	Message
37000	Update endorsement error
37001	Endorsement is not empty
37002	Endorsement index is not empty

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38000 - Emission

Errors related to CO2 emission calculations.

Code	Message
38000	Get flight emission error
38001	DepartDate mode is not empty
38002	Flight number is not empty
38003	OperatingCarrier carrier is not empty

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Error Code Format

Error codes follow a 5-digit format where:

• First 2 digits: Category identifier (e.g., 01 = Search Flight, 06 = Book)
• Last 3 digits: Specific error within that category

Placeholder Values

Some error messages contain placeholders (e.g., {0}, {1}) that will be replaced with actual values when the error is returned. For example:

• 00005: The user '{0}' could not be found. → The user 'john.doe' could not be found.
• 04001: The price has been changed, the old price was {0}, and the new price is: {1} → The price has been changed, the old price was 1000000, and the new price is: 1200000

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