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

SAP Error Message - Details

• 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 take the following steps:
  
  Check Method Configuration: Review the configuration of the method step where the error occurred. Ensure that all parameters are correctly defined and that the method is set up as intended.
  Validate Data Types: Ensure that the data types of the variables being substituted are compatible. If there is a mismatch, adjust the data types accordingly.
  Assign Missing Values: Check if all required variables have been assigned values. If any variable is missing a value, ensure it is populated before the method is executed.
  Debugging: Use debugging tools within SAP CC to trace the execution of the method and identify where the substitution is failing. This can help pinpoint the exact cause of the error.
  Consult Documentation: Refer to the SAP documentation for Convergent Charging to understand the expected behavior of the method and the correct usage of substitutions.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Testing: After making changes, thoroughly test the method to ensure that the error is resolved and that the method behaves as expected.
  
  By following these steps, you should be able to identify and resolve the cause of the UCF4012 error in SAP Convergent Charging.