How To Fix EWA847 - &3 &2 is just an optional parameter in the signature of function &1.

SAP Error Message - Details

• Message type: E = Error

• Message class: EWA - IS-U-WA: Waste Management

• Message number: 847

• Message text: &3 &2 is just an optional parameter in the signature of function &1.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message EWA847 - &3 &2 is just an optional parameter in the signature of function &1. ?

  The SAP error message EWA847 indicates that there is an issue with the function module or method signature in your ABAP code. Specifically, it suggests that an optional parameter is being incorrectly handled or referenced in the function signature.
  Cause:
  
  Incorrect Function Call: The error typically arises when a function module or method is called with parameters that do not match its signature. In this case, the third parameter (&3) is optional, but it seems to be causing an issue in the context where it is being used.
  Parameter Mismatch: The parameters being passed to the function do not align with the expected parameters defined in the function module or method. This could be due to missing parameters, incorrect data types, or incorrect order of parameters.
  Code Changes: If there have been recent changes to the function module or method signature, and the calling code has not been updated accordingly, this can lead to such errors.
  
  Solution:
  
  Check Function Module/Method Signature: Review the definition of the function module or method you are calling. Ensure that you are passing the correct number of parameters and that they are in the correct order.
  Update Calling Code: If the function signature has changed, update the calling code to match the new signature. Ensure that optional parameters are handled correctly.
  Parameter Handling: If you are passing optional parameters, ensure that you are using the correct syntax. In ABAP, optional parameters can often be omitted, but if you are passing them, ensure they are of the correct type.
  Debugging: Use the ABAP debugger to step through the code and see the values being passed to the function. This can help identify where the mismatch is occurring.
  Documentation: Refer to the SAP documentation for the specific function module or method to understand its expected parameters and usage.
  
  Related Information:
  
  ABAP Documentation: Check the SAP Help Portal or the ABAP documentation for detailed information on the function module or method you are using.
  SAP Notes: Search for relevant SAP Notes that might address known issues or provide additional guidance on the error message EWA847.
  Community Forums: Consider checking SAP Community forums or other developer forums for similar issues and solutions shared by other developers.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.