How To Fix SAI_MAPPING227 - Output parameter &1 is not of type &2, but of type &3

SAP Error Message - Details

• Message type: E = Error

• Message class: SAI_MAPPING - Mapping

• Message number: 227

• Message text: Output parameter &1 is not of type &2, but of type &3

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SAI_MAPPING227 - Output parameter &1 is not of type &2, but of type &3 ?

  The SAP error message SAI_MAPPING227 indicates a type mismatch in the output parameters of a function module or method. Specifically, it states that the output parameter &1 is expected to be of type &2, but it is actually of type &3. This error typically occurs in the context of SAP ABAP programming, particularly when dealing with function modules, BAPIs, or RFC calls.
  Cause:
  The error is caused by one of the following reasons:
  
  Type Mismatch: The output parameter is defined with a different data type than what is expected. This can happen if the function module or method signature has changed, or if there is a mismatch in the data types between the calling program and the function module.
  Incorrect Mapping: If you are using a mapping tool or framework (like SAP PI/PO), the mapping configuration may not align with the expected data types.
  Changes in Data Structure: If the underlying data structure of the output parameter has been modified (e.g., a field was added or removed), it can lead to this error.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Function Module/Method Signature:
  
  Verify the definition of the function module or method you are calling. Ensure that the output parameter is defined with the correct data type.
  If you are using a custom function module, check the ABAP code to ensure that the output parameter is correctly defined.
  
  
  
  Review Data Types:
  
  Compare the data type of the output parameter in your calling program with the expected data type in the function module. Make sure they match.
  If necessary, convert the data type in your calling program to match the expected type.
  
  
  
  Update Mapping Configuration:
  
  If you are using a mapping tool, check the mapping configuration to ensure that the output parameter is correctly mapped to the expected data type.
  Update the mapping if there are discrepancies.
  
  
  
  Check for Changes:
  
  If the function module or method has been recently changed, review the change logs to understand what modifications were made and how they might affect the output parameters.
  
  
  
  Testing:
  
  After making the necessary changes, test the function/module call again to ensure that the error is resolved.
  
  
  
  Related Information:
  
  ABAP Data Types: Familiarize yourself with the various ABAP data types (e.g., CHAR, NUMC, DATS, etc.) to understand how they can be converted or matched.
  Function Module Documentation: Review the SAP documentation for the specific function module or method you are using to understand its expected parameters and return types.
  Debugging: Use the ABAP debugger to step through the code and inspect the values and types of the parameters being passed to the function/module.
  
  By following these steps, you should be able to identify and resolve the cause of the SAI_MAPPING227 error in your SAP environment.