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COMBINATION NOT ALLOWED [TTP]

This error appears when the agent tries to issue a ticket using the TTP command.

Solution:

Check your TTP entry options – ensure they are combinable.

Either use the TST number: TTP/T3/RT

Or use passenger/segment association: TTP/P2/S3-4/RT
Do not combine both in a way that conflicts.

Ensure your ticketing options match the TST – for example, verify that the Passenger Type Code (PTC) used in your entry matches what is in the TST.

For partially flown itineraries, you may need to include the TST number (e.g., TTP/T4). Remember that only one ticket can be reissued/exchanged at a time.



Also Read:

CHECK PASSENGER ASSOCIATION

CHECK ITINERARY

CANCEL SEAT ITEM OR SPLIT PNR PRIOR TO NAME RE-ENTER

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