response to PNR queue placement any errors should be returned in this group returns the error code contains the text of the error record locator Code assigned by the recipient of a message to indicate a data validation error condition. error code error category error code owner To identify the type of application error within a message. error details qualifier of the following text Source Details Encoding Informations This segment is used to convey the free text contains only the qualifier. Free text To specify the information required to identify a reservation. contains the record locator to be queue placed To specify a reference to a reservation. contains the record locator Format limitations: an..199 Format limitations: an..3 Format limitations: an..8