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Handling errors in BAPI in SAP ABAP

You have to create a parameter named Return for every BAPI. This parameter returns exception messages or success messages to the calling program.

BAPIs themselves must not trigger any messages (such as MESSAGE xnnn) in the coding. In particular they must not generate terminations or display dialog boxes. Instead, all messages must be intercepted internally and reported back to the calling program in the Return parameter. Otherwise the BAPI will not be processed correctly and control may not be given back to the calling program.

All error messages or indeed any message that may be returned by the BAPI, must be defined in message table (Tools -> ABAP Workbench -> Development -> Programming environment -> Messages) and described in the documentation for the return parameter. This also applies to the most important or most likely error messages generated by other programs that can be indirectly passed via the BAPI to the application program.

ans in BAPI'S u can handle the errors with the help of BAPI RETURN parameter.

U have to declare an internal table like BAPIRET2. u need to pass this internal table to the RETURN structure .Now this internal table will capture the error messages once u run the BAPI.

In Every Bapi there will be a RETURN parameter of type BAPIRET2.

WE PASS IT AS TABLES PARAMETERS
AND ALL THE ERRORS ARE COLLECTED INTO IT
see the sample code
REPORT z34332_bdc_create_material .

data: la_headdata type BAPIMATHEAD,
la_clientdata type BAPI_MARA,
la_CLIENTDATAX type BAPI_MARAX,
la_return type BAPIRET2.

data: i_materialdescription type table of BAPI_MAKT,
wa_materialdescription like line of i_materialdescription.

la_headdata-MATERIAL = '000000000000000004'.
la_headdata-IND_SECTOR = 'M'.
la_headdata-MATL_TYPE = 'FERT'.

la_clientdata-BASE_UOM = 'FT3'.
la_CLIENTDATAX-BASE_UOM = 'X'.
la_clientdata-MATL_GROUP = '01'.
la_CLIENTDATAX-MATL_GROUP = 'X'.

wa_materialdescription = 'TEST'.
append wa_materialdescription to i_materialdescription.
clear: wa_materialdescription.

CALL FUNCTION 'BAPI_MATERIAL_SAVEDATA'
EXPORTING
headdata = la_headdata
CLIENTDATA = la_clientdata
CLIENTDATAX = la_CLIENTDATAX

* PLANTDATA =
* PLANTDATAX =
* FORECASTPARAMETERS =
* FORECASTPARAMETERSX =
* PLANNINGDATA =
* PLANNINGDATAX =
* STORAGELOCATIONDATA =
* STORAGELOCATIONDATAX =
* VALUATIONDATA =
* VALUATIONDATAX =
* WAREHOUSENUMBERDATA =
* WAREHOUSENUMBERDATAX =
* SALESDATA =
* SALESDATAX =
* STORAGETYPEDATA =
* STORAGETYPEDATAX =
* FLAG_ONLINE = ' '
* FLAG_CAD_CALL = ' '

IMPORTING
RETURN = la_return
TABLES
MATERIALDESCRIPTION = i_materialdescription

* UNITSOFMEASURE =
* UNITSOFMEASUREX =
* INTERNATIONALARTNOS =
* MATERIALLONGTEXT =
* TAXCLASSIFICATIONS =
* RETURNMESSAGES =
* PRTDATA =
* PRTDATAX =
* EXTENSIONIN =
* EXTENSIONINX =

.

write: la_return-TYPE, ',', la_return-MESSAGE.
clear: la_headdata, la_return, la_clientdata, la_clientdatax.

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