How To Fix UCF4012 - Method step "&1": Invalid substitution of &2 with &3

UCF4012 - Overview

• Message type: E = Error

• Message class: UCF4 - Messages on Reclassification

• Message number: 012

• Message text: Method step "&1": Invalid substitution of &2 with &3

What causes this issue?

In the Customizing settings for method step "&V1&", you have defined
that &V2& is substituted with &V3& for the <LS>percentage rate</>.
However, to improve performance, the system supports only the
substitution of <LS>consolidation unit</> with <LS>partner unit</>, or
vice versa, when the following posting levels are used:
<LS>Two-sided elimination</>
<LS>Two-sided elimination: consolidation group change</>

System Response

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

How to fix this error?

Adjust the Customizing settings for method step "&V1&".

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 UCF4012 - Method step "&1": Invalid substitution of &2 with &3 ?

  The SAP error message UCF4012, which states "Method step '&1': Invalid substitution of &2 with &3," typically occurs in the context of the SAP Convergent Charging (SAP CC) application. This error is related to the substitution of variables in a method step, where the system is unable to correctly replace the placeholders with the expected values.
  
  Cause:
  The error can be caused by several factors, including:
  
  Incorrect Configuration: The method step may be incorrectly configured, leading to invalid substitutions. This could be due to missing or incorrect parameters.
  Data Type Mismatch: The data types of the variables being substituted may not match the expected types, causing the substitution to fail.
  Missing Values: One of the variables that should be substituted may not have a value assigned, leading to an invalid substitution.
  Logical Errors: There may be logical errors in the method or the way the variables are defined and used.
  
  
  Solution:
  To resolve the UCF4012 error, you can