How To Fix CNVMBT144 - Object &1 was changed but is already loaded and will not be redefined

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 144

• Message text: Object &1 was changed but is already loaded and will not be redefined

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 CNVMBT144 - Object &1 was changed but is already loaded and will not be redefined ?

  The SAP error message CNVMBT144 indicates that an object (such as a table or a structure) has been modified after it has already been loaded into the system. This situation typically arises during data migration or transformation processes, particularly when using the SAP Migration Cockpit or similar tools.
  Cause:
  The error occurs because the system detects that the object in question has been changed (e.g., its structure, fields, or properties) after it was initially loaded. Since the object is already in the system, the migration tool will not redefine it to avoid inconsistencies or data integrity issues.
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Object Changes: Review the changes made to the object after it was loaded. Determine if these changes are necessary or if they can be reverted.
  
  
  Reload the Object: If the changes are essential, you may need to unload the object from the system and then reload it. This process typically involves:
  
  Unloading the object from the migration tool.
  Making the necessary changes in the source system or the migration tool.
  Reloading the object into the system.
  
  
  
  Adjust Migration Settings: If applicable, check the migration settings to ensure that they are configured correctly to handle changes in objects.
  
  
  Consult Documentation: Refer to the SAP documentation or notes related to the specific migration tool you are using. There may be specific guidelines or best practices for handling such errors.
  
  
  Contact SAP Support: If the issue persists or if you are unsure about the changes made, consider reaching out to SAP support for assistance. They can provide guidance based on the specific context of your migration project.
  
  
  Related Information:
  
  Migration Cockpit: This is a tool used for data migration in SAP S/4HANA projects. Understanding how it handles object definitions and changes can help prevent this error.
  Data Integrity: Always ensure that any changes made to objects during migration do not compromise data integrity. It’s crucial to maintain a consistent state throughout the migration process.
  Change Management: Implement a change management process to track changes made to objects during the migration. This can help avoid similar issues in the future.
  
  By following these steps, you should be able to address the CNVMBT144 error and continue with your migration process.