Invalid date Invalid time Invalid transfer sequence Invalid City/Airport code Invalid time mode Invalid operational suffix Invalid period of schedule validity Invalid days of operation Invalid frequency rate Invalid service type code Invalid aircraft type coded Invalid product details qualifier coded Invalid aircraft configuration/version coded Invalid meal service note coded Invalid utc/local time variation Invalid date variation Invalid terminal coded Invalid on-time performance indicator Invalid type of call at port coded Invalid Government action coded Invalid facility type coded Invalid Traffic Restriction coded Invalid Traffic Restriction type coded Invalid Traffic Restriction qualifier coded Invalid transport stage qualifier coded Invalid place of departure coded Invalid place of destination coded Invalid departure date Invalid departure time Invalid reservations booking designator Invalid reservations booking modifier Invalid airline designator Invalid country code Invalid requester identification Invalid period of operation Invalid flight number Invalid arrival date Invalid arrival time Invalid action code Message function invalid Business function invalid No more data available Request is outside system data range Flight does not operate due to weather, mechanical or other operational conditions Repeat request updating in progress Inactivity time out value exceeded Communications line unavailable Prior message being processed