How To Fix EWA849 - &3 &2 has another type in the signature of function &1.

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 849

• Message text: &3 &2 has another type 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 EWA849 - &3 &2 has another type in the signature of function &1. ?

  The SAP error message EWA849 indicates a type mismatch in the signature of a function module. Specifically, it suggests that the function module you are trying to call has a parameter that is defined with a different data type than what is being passed to it. This can occur in various scenarios, such as when you are using a function module in a custom program or when there are changes in the function module's definition.
  Cause:
  
  Data Type Mismatch: The most common cause is that the data type of the actual parameter being passed does not match the expected data type defined in the function module.
  Changes in Function Module: If the function module has been modified (e.g., by an upgrade or a change in the development environment), the signature may have changed, leading to this error.
  Incorrect Parameter Mapping: If you are using a structure or table that has been modified, the fields may not match the expected types in the function module.
  
  Solution:
  
  Check Function Module Signature: Go to transaction SE37 (Function Builder) and check the signature of the function module in question. Verify the data types of the parameters.
  Adjust Data Types: Ensure that the data types of the parameters you are passing match those defined in the function module. You may need to convert or cast the data types appropriately.
  Review Changes: If the function module has been recently changed, review the change logs or documentation to understand what modifications were made.
  Debugging: Use the debugger to step through the code and identify the exact point where the mismatch occurs. This can help you pinpoint which parameter is causing the issue.
  Consult Documentation: If the function module is part of a standard SAP package, consult the SAP documentation or notes for any known issues or changes related to that function module.
  
  Related Information:
  
  Transaction Codes: SE37 (Function Builder), SE80 (Object Navigator), SE11 (Data Dictionary).
  SAP Notes: Check for any relevant SAP Notes that might address known issues with the function module.
  Data Types: Familiarize yourself with the different data types in ABAP (e.g., CHAR, NUMC, INT4, etc.) to ensure proper mapping.
  Testing: After making changes, test the function module call in a development environment to ensure that the error is resolved before moving to production.
  
  By following these steps, you should be able to resolve the EWA849 error and ensure that your function module calls are correctly configured.