RFC function call of 'RFC_CALCULATE_TAXES_DOC' failed with Return Code 1

[Former Member]

The RFC function call failed with Return code 1 which shows the failure in Communication, to pick the tax information from 3rd party system.

Kindly let me know how to find the reason behind the failure to proceed further?

[former_member186491]

Hi Naga,

Well, usually SY-SUBRC would be set to 1 when an exception of a function module is mapped to sy-subrc =1.

You can check if the RFC Destination is reachable by using the Funciton Module 'RFC_PING'.

CALL FUNCTION 'RFC_PING' DESTINATION p_rfcdes (Destination system where FM/BAPI is available)

EXCEPTIONS

system_failure = 1

communication_failure = 2

OTHERS = 99.

If sy-subrc =  0 for RFC_PING then you can proceed to get data from development system.

You can  use FM 'RFC_FUNCTION_SEARCH'  to find FM existence in dev system.

CALL FUNCTION 'RFC_FUNCTION_SEARCH' DESTINATION p_rfcdes "System where the FM existence should be checked

EXPORTING

funcname =FM name

GROUPNAME = ' '

LANGUAGE = SY-LANGU

TABLES

functions = i_rfcfunc

EXCEPTIONS

nothing_specified = 1

no_function_found = 2

OTHERS = 3

.

IF sy-subrc 0.

MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO

WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.

ENDIF.

This will return sy-subrc = 0 if FM exists, otherwise sy-subrc is 2.

This FM will check If the FM mentioned is available in the TFDIR Table with PMODE = R (Remote) in the system which is called. If the Destination keyword is not mentioned, it checks for the entry in the current system table, hence sy-subrc is always 2 in your case.

Thanks,

Kumar Saurav.