IBM SC33-1683-02 - Manual (Page 386)

RESPONSE and REASON values for INQ_APPLICATION_DATA:
RESPONSE REASON
OK None
EXCEPTION DPL_PROGRAM
NO_TRANSACTION_ENVIRONMENT
TRANSACTION_DOMAIN_ERROR
DISASTER ABEND
LOOP
INQ_FAILED
INVALID INVALID_FUNCTION
KERNERROR None
PURGED None
state data access functions
354 CICS TS for OS/390: CICS Customization Guide