How To Fix CNVMBT077 - Please save changes first before generating objects

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 077

• Message text: Please save changes first before generating objects

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNVMBT077 - Please save changes first before generating objects ?

  The SAP error message CNVMBT077 typically occurs in the context of the SAP Migration Cockpit or during data migration processes. This error indicates that there are unsaved changes in the migration project, and the system requires you to save those changes before you can proceed with generating objects.
  Cause:
  The error is caused by the following:
  
  You have made changes to the migration project (like mapping, settings, or configurations) that have not been saved.
  The system prevents you from generating objects (like data structures or transformation rules) until all changes are saved to ensure data integrity and consistency.
  
  Solution:
  To resolve the CNVMBT077 error, follow these steps:
  
  
  Save Changes: 
  
  Go to the migration project where the error occurred.
  Look for a "Save" button or option in the toolbar or menu.
  Click on it to save all your changes.
  
  
  
  Check for Unsaved Changes:
  
  Ensure that all sections of your migration project are saved. Sometimes, there may be multiple tabs or sections that require saving.
  
  
  
  Retry Object Generation:
  
  After saving, attempt to generate the objects again. This should allow you to proceed without encountering the error.
  
  
  
  Review Logs:
  
  If the error persists after saving, check the logs for any additional error messages or warnings that might provide more context.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes related to the Migration Cockpit, such as LTMC (for the Migration Cockpit) or LTMOM (for the Migration Object Modeler).
  Documentation: Refer to SAP Help documentation for detailed guidance on using the Migration Cockpit and handling common errors.
  SAP Notes: Check for any SAP Notes related to the CNVMBT077 error for specific patches or updates that may address known issues.
  
  If you continue to experience issues after following these steps, consider reaching out to your SAP support team or consulting the SAP Community for further assistance.