How To Fix UPF173 - Length 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: 173

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

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UPF173 - Length of parameter &1(&2) and variable &3(&4) are inconsistent ?

  The SAP error message UPF173 indicates that there is an inconsistency between the length of a parameter and a variable in the context of a user-defined function or a program. This typically occurs when the expected length of a parameter does not match the actual length of the variable being passed to it.
  Cause:
  
  Mismatch in Lengths: The most common cause of this error is that the length defined for a parameter in a function module or method does not match the length of the variable that is being passed to it.
  Data Type Issues: There may be a mismatch in data types between the parameter and the variable, leading to inconsistencies in their lengths.
  Incorrect Configuration: If the parameters are defined in a configuration or custom development, any changes made to the length of the parameters or variables without corresponding updates can lead to this error.
  
  Solution:
  
  Check Parameter Definitions: Review the definitions of the parameters in the function module or method. Ensure that the lengths specified for the parameters match the lengths of the variables being passed.
  Adjust Variable Lengths: If the variable being passed has a different length, adjust it to match the expected length of the parameter.
  Data Type Consistency: Ensure that the data types of the parameters and variables are consistent. For example, if a parameter is defined as a CHAR(10), the variable should also be defined as CHAR(10) and not as CHAR(20) or any other length.
  Review Custom Code: If this error arises from custom code, review the logic to ensure that the correct variables are being passed to the function/module and that they are properly initialized.
  Testing: After making changes, test the function/module to ensure that the error is resolved and that the functionality works as expected.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. Sometimes, SAP provides specific guidance or fixes for common issues.
  Debugging: Use the debugger to step through the code and identify where the mismatch occurs. This can help pinpoint the exact location of the inconsistency.
  Documentation: Refer to the documentation for the specific function module or method to understand the expected parameter lengths and types.
  
  By following these steps, you should be able to resolve the UPF173 error and ensure that your parameters and variables are consistent in length and type.