How To Fix RFAC_QUICKFIX166 - Declare changing parameter '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: RFAC_QUICKFIX - Refactoring Messages

• Message number: 166

• Message text: Declare changing parameter '&1'

What causes this issue?

System Response

Creates a new changing parameter &V1& in method &V2&.

How to fix this error?

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

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_QUICKFIX166 - Declare changing parameter '&1' ?

  The SAP error message RFAC_QUICKFIX166, which states "Declare changing parameter '&1'", typically occurs in the context of ABAP programming when a method or function module is called without properly declaring the parameters that are expected to be changing.
  
  Cause:
  This error arises when:
  
  A method or function module is called with a parameter that is expected to be a changing parameter, but it is not declared as such in the calling program.
  The parameter is not defined correctly in the function module or method signature.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Function Module/Method Signature:
  
  Go to the function module or method definition in SE37 (for function modules) or SE80 (for classes and methods).
  Verify the parameters and ensure that the parameter in question is indeed defined as a changing parameter.
  
  
  
  Modify the Calling Program:
  
  In the program where the function module or method is called, ensure that the parameter is declared correctly.
  If the parameter