How To Fix EMDUS549 - Result parameter &1 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: EMDUS -

• Message number: 549

• Message text: Result parameter &1 already exists

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message EMDUS549 - Result parameter &1 already exists ?

  The SAP error message EMDUS549, which states "Result parameter &1 already exists," typically occurs in the context of ABAP programming or when working with function modules, particularly when there is an attempt to define a result parameter that has already been declared or defined in the same scope.
  Cause:
  
  Duplicate Declaration: The most common cause of this error is that the result parameter (indicated by &1) has already been declared in the function module or method. This can happen if you are trying to define the same parameter name multiple times.
  Scope Issues: If the parameter is defined in a broader scope (like a global structure or interface) and you are trying to redefine it in a local context, this error can occur.
  Inconsistent Naming: Sometimes, similar names can lead to confusion, and the system might interpret them as duplicates.
  
  Solution:
  
  Check Declarations: Review the function module or method where the error occurs. Look for any duplicate declarations of the result parameter. Ensure that each parameter has a unique name.
  Rename Parameters: If you find that the parameter is indeed declared multiple times, consider renaming one of the parameters to avoid the conflict.
  Review Scope: Ensure that you are aware of the scope of your parameters. If a parameter is defined in a broader context, you may need to either use it directly or change its name in the local context.
  Use Unique Names: As a best practice, always use unique and descriptive names for parameters to avoid such conflicts in the future.
  
  Related Information:
  
  Function Module Documentation: Check the documentation for the function module or method you are working with to understand the expected parameters and their usage.
  ABAP Development Guidelines: Familiarize yourself with ABAP naming conventions and guidelines to prevent similar issues in the future.
  Debugging: If you are unable to locate the duplicate declaration, consider using the debugger to step through the code and identify where the parameter is being defined.
  
  By following these steps, you should be able to resolve the EMDUS549 error and prevent it from occurring in the future.