Dynamic Function Module Calling - CX_SY_DYN_CALL_PARAM_MISSING Exception

[Former Member]

Hi there,

I'm trying to call dynamically a function module using the following statement:

  DATA: lt_parmbind         TYPE abap_func_parmbind_tab,
        lt_excbind          TYPE abap_func_excpbind_tab,
        ls_parmbind         TYPE abap_func_parmbind,
        ls_excbind          TYPE abap_func_excpbind.

.....

    CALL FUNCTION my_function_module_name
        PARAMETER-TABLE
          lt_parmbind
        EXCEPTION-TABLE
          lt_excbind.

I get the following error message:

Error analysis                                                                      
    An exception occurred that is explained in detail below.                        
    The exception, which is assigned to class 'CX_SY_DYN_CALL_PARAM_MISSING', was   
     not caught in                                                                  
    procedure "DEBUG_FM" "(METHOD)", nor was it propagated by a RAISING clause.     
    Since the caller of the procedure could not have anticipated that the           
    exception would occur, the current program is terminated.                       
    The reason for the exception is:                                                
    When calling the function module "/NYH/AGIB_BCA_GET_ACCOUNTS", one of the       
     parameters                                                                     
    needed according to the interface description was not specified.                                                                                
This parameter was "I_PARTNER".

But the table lt_parmbind does contain a structure with ls_parmbind-name = "I_PARTNER".

Someone has an idea about the problem?

Any help would be greatly appreciated, thank you.

[Former Member]

Hi Roberto,

here is the code of the method that dynamically calls the function module.

What happens is that I have the parameters name, value and type stored for each Function Module in the in the internal table mt_log_pd (these fields are string type).

I populate the table for the dynamic calling by looping at mt_log_pd: I guess that the problem is in the value assignment.

DATA: ls_log_pd           LIKE LINE OF mt_log_pd,
        lt_log_pd           LIKE mt_log_pd,
        lt_parmbind         TYPE abap_func_parmbind_tab,
        lt_excbind          TYPE abap_func_excpbind_tab,
        ls_parmbind         TYPE abap_func_parmbind,
        ls_excbind          TYPE abap_func_excpbind,
        lr_dyn_ref          TYPE REF TO data.

  FIELD-SYMBOLS: <l_fs_par_value> TYPE ANY.

*----------------------------------------------------------------------*
  "Populate the parameter tab
  LOOP AT mt_log_pd INTO ls_log_pd WHERE functmdl = i_functmdl.
    IF ls_log_pd-parent_field = 0 AND ls_log_pd-param_kind <> 2.
      "Name
      ls_parmbind-name  = ls_log_pd-param_name.
      "Kind
      CASE ls_log_pd-param_kind.
        WHEN 1. "Importing
          ls_parmbind-kind  = abap_func_importing.
        WHEN 2. "Exporting
          ls_parmbind-kind  = abap_func_exporting.
        WHEN 3. "Changing
          ls_parmbind-kind  = abap_func_changing.
        WHEN 4. "Tables
          ls_parmbind-kind  = abap_func_tables.
        WHEN OTHERS.
          "exception
      ENDCASE.
      "Value
      CREATE DATA lr_dyn_ref TYPE (ls_log_pd-param_ass_type).
      ASSIGN lr_dyn_ref->* TO <l_fs_par_value>.
      <l_fs_par_value> = ls_log_pd-param_value.
      GET REFERENCE OF <l_fs_par_value> INTO ls_parmbind-value.
      "GET REFERENCE OF <l_fs_par_value> INTO ls_parmbind-tables_wa.
      "ls_parmbind-value = lr_dyn_ref.
      INSERT ls_parmbind INTO TABLE lt_parmbind.
    ENDIF.
  ENDLOOP.

*----------------------------------------------------------------------*
  "Execute the Function Module
  CALL FUNCTION i_functmdl
    PARAMETER-TABLE
      lt_parmbind
    EXCEPTION-TABLE
      lt_excbind.

[former_member199581]

I think you must check the value in lt_parmbind-value.

If the value is initial, then the reference is not catched in field and the system misses the parameter.

Hope this helps,

Roby.

[Former Member]

Hi Roberto,

thank you for your quick answer.

Here are the values for the relevant row.

VALUE[Fref]: ->123240

TABLES_WA[Fref]:

KIND:20

NAME: I_PARTNER

Perhaps is the WA field? Do you have an idea on how to fill it?

[former_member199581]

The field VALUE must contains the reference to the data object, not the data object itself:

You must set the value like this:

GET REFERENCE OF <your_variable> INTO lt_parmbind-value.

The content from debugger must appear like this:

with a numeric value instead of "initial".

Let me know!

[Former Member]

Hi Roberto,

I tried that sintax, and my understanding is that in the VALUE filed I have a reference to the actual parameter.

However in the debugger, before the statement

INSERT ls_parmbind INTO TABLE lt_parmbind.

the structure ls_parmbind has these values:

-

---

Component

Val.Ty.

Val.

Technical Type.

-

---

VALUE	-->	123240	REF TO \TYPE=BU_PARTNER
TABLES_WA			Fref.
KIND		20	I(4)
NAME		I_PARTNER	C(30)

-

---

[former_member199581]

And it still don't work I suppose...

I'll try and let you know

[Former Member]

Exactly, I still get the same error.

Thank you for helping!

[former_member199581]

Sorry man, but I can't get the function module you're using in my system...

Could you please post the source code? I need to check it out to help you..

[Former Member]

Hi Roberto,

here is the code of the method that dynamically calls the function module.

What happens is that I have the parameters name, value and type stored for each Function Module in the in the internal table mt_log_pd (these fields are string type).

I populate the table for the dynamic calling by looping at mt_log_pd: I guess that the problem is in the value assignment.

DATA: ls_log_pd           LIKE LINE OF mt_log_pd,
        lt_log_pd           LIKE mt_log_pd,
        lt_parmbind         TYPE abap_func_parmbind_tab,
        lt_excbind          TYPE abap_func_excpbind_tab,
        ls_parmbind         TYPE abap_func_parmbind,
        ls_excbind          TYPE abap_func_excpbind,
        lr_dyn_ref          TYPE REF TO data.

  FIELD-SYMBOLS: <l_fs_par_value> TYPE ANY.

*----------------------------------------------------------------------*
  "Populate the parameter tab
  LOOP AT mt_log_pd INTO ls_log_pd WHERE functmdl = i_functmdl.
    IF ls_log_pd-parent_field = 0 AND ls_log_pd-param_kind <> 2.
      "Name
      ls_parmbind-name  = ls_log_pd-param_name.
      "Kind
      CASE ls_log_pd-param_kind.
        WHEN 1. "Importing
          ls_parmbind-kind  = abap_func_importing.
        WHEN 2. "Exporting
          ls_parmbind-kind  = abap_func_exporting.
        WHEN 3. "Changing
          ls_parmbind-kind  = abap_func_changing.
        WHEN 4. "Tables
          ls_parmbind-kind  = abap_func_tables.
        WHEN OTHERS.
          "exception
      ENDCASE.
      "Value
      CREATE DATA lr_dyn_ref TYPE (ls_log_pd-param_ass_type).
      ASSIGN lr_dyn_ref->* TO <l_fs_par_value>.
      <l_fs_par_value> = ls_log_pd-param_value.
      GET REFERENCE OF <l_fs_par_value> INTO ls_parmbind-value.
      "GET REFERENCE OF <l_fs_par_value> INTO ls_parmbind-tables_wa.
      "ls_parmbind-value = lr_dyn_ref.
      INSERT ls_parmbind INTO TABLE lt_parmbind.
    ENDIF.
  ENDLOOP.

*----------------------------------------------------------------------*
  "Execute the Function Module
  CALL FUNCTION i_functmdl
    PARAMETER-TABLE
      lt_parmbind
    EXCEPTION-TABLE
      lt_excbind.

[Former Member]

Just one thing that could help...

The field ls_parmbind-value is assigned to the reference of <l_fs_par_value>, that is assigned inside the loop cycle.

When the dynamic calling is performed, may be the case that elements of table lt_parmbind have references to variables that don't exist anymore.

Could this be the cause of the error message? If so, do you have any suggestion to solve the problem?