How To Fix CNV_10020750 - No rule was assigned to evaluate &1

CNV_10020750 - Overview

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 750

• Message text: No rule was assigned to evaluate &1

What causes this issue?

Processing required the evaluation of the non-transparent field
component &V1&. For &V1& no rule was assigned (release &V2&).

System Response

Evaluation is not possible.

How to fix this error?

Add a rule assignment for &V1&.
&HINTS&

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

To add the assignment use the activity <ZK>Edit Settings for
Non-transparent Fields</>.
If the org. package runs without an interface package, you can add the
assignment using transaction CNV_10020_RCOMP.

Error message extract from SAP system. Copyright SAP SE.

CNV_10020750 - Details

• The SAP error message CNV_10020750: No rule was assigned to evaluate &1 typically occurs in the context of data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that the system could not find a mapping or transformation rule for a specific data element (represented by &1).
  
  Cause:
  
  Missing Mapping Rules: The most common cause is that there are no defined rules for the specific data element that the system is trying to process.
  
  Configuration Issues: The migration or conversion project may not have been properly configured, leading to missing or incomplete rules.
  Data Element Not Supported: The data element being evaluated may not be supported in the current migration scenario.
  Incorrect Data Source: The source data may not match the expected format or structure, leading to the inability to find a corresponding rule.
  
  
  Solution:
  
  
  Check Mapping Rules: 
  
  Go to the relevant transaction or tool where the mapping