How To Fix UPF172 - Types of parameter &1 (&2) and variable &3(&4) are inconsistent

SAP Error Message - Details

• Message type: E = Error

• Message class: UPF - Planning Functions

• Message number: 172

• Message text: Types of parameter &1 (&2) and variable &3(&4) are inconsistent

Self-Explanatory Message

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• What is the cause and solution for SAP error message UPF172 - Types of parameter &1 (&2) and variable &3(&4) are inconsistent ?

  The SAP error message UPF172 indicates that there is an inconsistency between the types of a parameter and a variable in a function module or method. This typically occurs when the data types defined for the parameters do not match the expected types for the variables being passed or used within the function.
  Cause:
  
  Data Type Mismatch: The most common cause of this error is that the data type of the parameter does not match the data type of the variable being passed to it. For example, if a parameter is defined as a character type but a numeric variable is being passed, this inconsistency will trigger the error.
  Incorrect Function Module/Method Call: If the function module or method is called with incorrect arguments or in the wrong context, it can lead to this error.
  Changes in Data Dictionary: If there have been recent changes to the data dictionary (like changes in the structure of a table or data element), it may lead to inconsistencies in the types.
  
  Solution:
  
  Check Data Types: Review the data types of the parameters and the variables being passed. Ensure that they are compatible. You can do this by checking the function module or method definition in the ABAP Workbench (SE37 for function modules, SE80 for classes/methods).
  Adjust Variable Types: If you find a mismatch, adjust the variable type to match the parameter type. This may involve changing the declaration of the variable or converting the data type before passing it to the function/module.
  Review Function Calls: Ensure that the function/module is being called correctly with the right parameters. Check the documentation or the interface of the function/module for the expected types.
  Debugging: If the issue persists, use the debugger to step through the code and identify where the inconsistency arises. This can help pinpoint the exact location and cause of the error.
  Consult Documentation: If you are using standard SAP function modules or methods, refer to the SAP documentation for any specific requirements regarding data types.
  
  Related Information:
  
  Transaction Codes: Use SE37 to view function modules and SE80 for classes and methods.
  ABAP Data Types: Familiarize yourself with ABAP data types and their compatibility. Common types include CHAR, NUMC, INT, and STRING.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific function module or method you are using.
  Community Forums: Consider searching or posting on SAP community forums for additional insights or similar experiences from other users.
  
  By following these steps, you should be able to resolve the UPF172 error and ensure that your parameters and variables are consistent in type.