This documentation describes the SMARTS messages and codes issued by the SMARTS system. Some messages and codes appear in all SMARTS environments; other messages and codes appear only in the SMARTS server environment.

The documentation also contains errno mapping tables for the various errors returned by program functions and the various CDI modules used by SMARTS.

This information is organized as follows:

Introduction	Explains message format and structure .
SMARTS Abend Codes	Messages with prefix U, ABEND
SMARTS API Messages	Messages with prefix APSPSX
SMARTS Server Environment Messages	Messages with prefix ABE, ABS, ADA, BPM, DIS, INI, INP, LOD, OPC, OUS, RES, ROL, RSM, STG, SVR, TIB, TMR, ZDM, ZLA, ZOS, ZTR, ZTS
Allocated Error Numbers	Each errno value that may be returned to a PAANHLL request, its equivalent C macro name and a short description of what the errno means.
SMARTS Server Environment Internal Macro Description	Return codes from SMARTS internal functions.
Request Status Codes	Return and feedback codes indicating processing results of the request.