How To Fix CLS_S4_CONV015 - Invalid call; At least one export parameter should be requested

SAP Error Message - Details

• Message type: E = Error

• Message class: CLS_S4_CONV - S/4 HANA: Classification Conversion Messages

• Message number: 015

• Message text: Invalid call; At least one export parameter should be requested

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CLS_S4_CONV015 - Invalid call; At least one export parameter should be requested ?

  The SAP error message CLS_S4_CONV015 indicates that there is an issue with a function module or method call where at least one export parameter is expected to be requested, but none were provided. This typically occurs in ABAP programming when calling a function module or method that has defined export parameters, but the calling program does not specify any of these parameters.
  Cause:
  
  Missing Export Parameters: The function module or method being called has export parameters defined, but the calling program does not specify any of these parameters.
  Incorrect Function Call: The function call might be incorrectly structured, leading to the absence of required parameters.
  Changes in Function Module: If the function module or method was recently modified to include new export parameters, the calling program may not have been updated accordingly.
  
  Solution:
  
  Check Function Module/Method Definition: Review the definition of the function module or method being called. Ensure that you understand which export parameters are required.
  Update the Calling Program: Modify the calling program to include the necessary export parameters. For example:
  DATA: lv_param TYPE your_type.
  CALL FUNCTION 'YOUR_FUNCTION_MODULE'
    EXPORTING
      param1 = lv_param
    IMPORTING
      result = lv_result.
  
  Review Documentation: If available, check the documentation for the function module or method to understand the expected parameters and their purposes.
  Testing: After making changes, test the program to ensure that the error is resolved and that the function call behaves as expected.
  
  Related Information:
  
  ABAP Debugger: Use the ABAP debugger to step through the code and identify where the function call is made and what parameters are being passed.
  SAP Notes: Check SAP Notes for any known issues or updates related to the specific function module or method you are using.
  Function Module Documentation: Use transaction SE37 (for function modules) or SE80 (for classes and methods) to view the details and documentation of the function module or method.
  
  By following these steps, you should be able to resolve the CLS_S4_CONV015 error and ensure that your function calls are correctly structured.