How To Fix CNV646 - Active package was changed from &1 to &2!

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV - Conversion: Messages for Conversion Services (CNCC)

• Message number: 646

• Message text: Active package was changed from &1 to &2!

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV646 - Active package was changed from &1 to &2! ?

  The SAP error message CNV646 indicates that an active package in a conversion or migration process has been changed. This typically occurs in the context of data migration or system conversion projects, particularly when using SAP's tools for data transfer or system upgrades.
  Cause:
  The error message CNV646 Active package was changed from &1 to &2 usually arises due to one of the following reasons:
  
  
  Package Modification: The active package that is being processed has been modified or changed during the execution of a migration or conversion task. This could happen if someone manually changes the package or if there are updates to the package configuration.
  
  
  Concurrent Processes: If multiple users or processes are trying to access or modify the same package simultaneously, it can lead to inconsistencies and trigger this error.
  
  
  System Configuration Changes: Changes in the system configuration or settings that affect the active package can also lead to this error.
  
  
  Solution:
  To resolve the CNV646 error, you can take the following steps:
  
  
  Check Package Status: Verify the status of the package in question. Ensure that it is not being modified by another user or process.
  
  
  Revert Changes: If the package was changed unintentionally, revert it back to its original state. You may need to consult with your team or check version control if applicable.
  
  
  Restart the Process: Sometimes, simply restarting the migration or conversion process can resolve transient issues. Ensure that no other processes are interfering with the package.
  
  
  Review Logs: Check the logs for any additional error messages or warnings that might provide more context about what caused the package change.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration or conversion tool you are using. There may be specific guidelines or known issues related to the CNV646 error.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They may have additional insights or patches available.
  
  
  Related Information:
  
  SAP Notes: Look for relevant SAP Notes that might address this specific error or provide guidance on best practices for handling active packages during migrations.
  Migration Tools: Familiarize yourself with the specific migration tools you are using (e.g., SAP S/4HANA Migration Cockpit, SAP Data Services) as they may have unique configurations or requirements.
  User Permissions: Ensure that users involved in the migration process have the appropriate permissions to access and modify the packages.
  
  By following these steps, you should be able to diagnose and resolve the CNV646 error effectively.