How To Fix CNV_NCE_BAS038 - Subobject mapping has been changed since the last analysis run

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_NCE_BAS - Number conversion engine: messages

• Message number: 038

• Message text: Subobject mapping has been changed since the last analysis run

What causes this issue?

The Number Conversion Engine has detected that mapping values for a
subobject of the corresponding number range object have been changed
since the last analysis run (e.g. new mapping values have been created).
New analysis run is required.

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?

Execute the activity 'Analyse Number Range Objects' again. The Number
Conversion Engine will analyze numbers that belong to the new subobjects
of the relevant number range objects. The activity 'Initialize Mapping
Values for Number Range Objects' must be executed after that again.

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 CNV_NCE_BAS038 - Subobject mapping has been changed since the last analysis run ?

  The SAP error message CNV_NCE_BAS038 indicates that there has been a change in the subobject mapping since the last analysis run in the context of a data migration or conversion project. This typically occurs in the SAP Landscape Transformation (SLT) or SAP Data Migration projects where mappings between source and target data structures are defined.
  Cause:
  
  Changes in Mapping: The subobject mapping has been modified after the last analysis run. This could be due to updates in the source or target data structures, changes in business requirements, or adjustments made by the project team.
  Inconsistent Data: If the data structures or mappings are not consistent with the previous analysis, it can trigger this error.
  Configuration Changes: Any changes in the configuration settings related to the data migration process can also lead to this error.
  
  Solution:
  
  
  Re-run the Analysis: The most straightforward solution is to re-run the analysis process. This will refresh the mappings and ensure that the current state is reflected in the analysis.
  
  Navigate to the relevant transaction or program that allows you to perform the analysis.
  Execute the analysis to update the mappings.
  
  
  
  Review Changes: Check the changes made to the subobject mappings since the last analysis. This can help identify if the changes were intentional and if they align with the project requirements.
  
  Use transaction codes or tools provided by SAP to review the mapping configurations.
  
  
  
  Consult Documentation: Refer to the project documentation to understand the intended changes and ensure that they are correctly implemented.
  
  
  Check for Dependencies: Ensure that any dependencies related to the mappings are also updated. Sometimes, changes in one area can affect others.
  
  
  Testing: After re-running the analysis and making necessary adjustments, conduct thorough testing to ensure that the mappings work as expected.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance.
  Documentation: Review the SAP documentation related to the specific data migration tool or process you are using (e.g., SAP S/4HANA Migration Cockpit, SAP Data Services).
  Community Forums: Engage with SAP community forums or support channels for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the CNV_NCE_BAS038 error and ensure that your data migration process continues smoothly.