How To Fix CNVMBT031 - Include &1 was changed in central system since creation of subproject

SAP Error Message - Details

• Message type: E = Error

• Message class: CNVMBT - Messages for MBT/API/PCL

• Message number: 031

• Message text: Include &1 was changed in central system since creation of subproject

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNVMBT031 - Include &1 was changed in central system since creation of subproject ?

  The SAP error message CNVMBT031 indicates that an object (in this case, an include) has been modified in the central system after a subproject was created. This typically occurs in the context of SAP's Migration and Conversion tools, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
  Cause:
  The error arises when there is a discrepancy between the central system and the subproject. Specifically, it means that the include file (&1) has been changed in the central system after the subproject was created, which can lead to inconsistencies or conflicts during the migration or conversion process.
  Solution:
  To resolve this issue, you can follow these steps:
  
  
  Check for Changes: Review the changes made to the include in the central system. You can do this by checking the transport logs or version history to identify what modifications were made.
  
  
  Update the Subproject: If the changes in the central system are necessary and should be reflected in the subproject, you may need to update the subproject to include these changes. This can involve:
  
  Re-importing the include into the subproject.
  Manually adjusting the subproject to align with the changes made in the central system.
  
  
  
  Recreate the Subproject: If the changes are extensive or if the subproject is significantly out of sync, it may be easier to recreate the subproject. This ensures that you start with the latest version of all objects.
  
  
  Consult Documentation: Refer to the SAP documentation related to the specific migration or conversion tool you are using. There may be specific guidelines or best practices for handling such discrepancies.
  
  
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP Support for assistance. They can provide guidance based on the specific context of your system and the changes made.
  
  
  Related Information:
  
  Transport Management System (TMS): Understanding how transports work in SAP can help you manage changes across systems effectively.
  Change Management: Implementing a robust change management process can help prevent such issues in the future by ensuring that changes are tracked and communicated effectively.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  By following these steps, you should be able to resolve the CNVMBT031 error and ensure that your subproject is in sync with the central system.