How To Fix RFAC_QUICKFIX174 - Convert '&1' to changing parameter

SAP Error Message - Details

• Message type: E = Error

• Message class: RFAC_QUICKFIX - Refactoring Messages

• Message number: 174

• Message text: Convert '&1' to changing parameter

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

Converts the local variable &V1& to a new changing parameter in method
&V2&.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RFAC_QUICKFIX174 - Convert '&1' to changing parameter ?

  The SAP error message RFAC_QUICKFIX174 typically indicates an issue with a conversion of a variable or parameter in an ABAP program. This error often arises when there is a mismatch in the expected data type or structure of a parameter that is being passed to a function module or method.
  Cause:
  
  Data Type Mismatch: The variable being passed does not match the expected data type of the parameter in the function module or method.
  Changing Parameter: The error specifically mentions a "changing parameter," which means that the parameter is expected to be modified by the function call. If the data type or structure does not align, the conversion cannot be performed.
  Incorrect Declaration: The variable may not be declared correctly in the ABAP program, leading to issues when the function is called.
  
  Solution:
  
  Check Data Types: Verify the data types of the variable being passed and the expected data type of the changing parameter in the function module or method. Ensure they are compatible.
  Adjust Declarations: If there is a mismatch, adjust the declaration of the variable to match the expected type. This may involve changing the data type or structure of the variable.
  Use Type Casting: If necessary, use type casting to convert the variable to the appropriate type before passing it to the function.
  Review Function Module/Method Documentation: Check the documentation for the function module or method to understand the expected parameters and their types.
  Debugging: If the issue persists, use the ABAP debugger to step through the code and identify where the conversion is failing.
  
  Related Information:
  
  ABAP Data Types: Familiarize yourself with the various data types in ABAP (e.g., CHAR, NUMC, INT, etc.) and how they can be converted or cast.
  Function Module Documentation: Look up the specific function module or method in the SAP documentation to understand its parameters and expected data types.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context or solutions.
  
  If you continue to experience issues, consider reaching out to your SAP support team or consulting with an experienced ABAP developer for further assistance.