How To Fix CNV_10020249 - Main source package number &1 does not exist in package &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 249

• Message text: Main source package number &1 does not exist in package &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.

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 CNV_10020249 - Main source package number &1 does not exist in package &2 ?

  The SAP error message CNV_10020249 indicates that there is an issue with the main source package number not existing in the specified package. This error typically arises during data migration or conversion processes, particularly when using SAP's tools for data transfer or system conversion.
  Cause:
  
  Missing Package: The main source package number specified in the process does not exist in the target package. This could be due to incorrect configuration or a missing data package.
  Incorrect Mapping: There may be a mapping issue where the source package number is not correctly linked to the target package.
  Data Migration Tool Issues: If you are using a specific data migration tool (like SAP S/4HANA Migration Cockpit), there may be issues with the configuration or setup of the migration project.
  
  Solution:
  
  Verify Package Numbers: Check the package numbers in both the source and target systems to ensure that they are correctly defined and exist.
  Check Configuration: Review the configuration settings in the data migration tool to ensure that the source and target packages are correctly mapped.
  Update or Create Packages: If the main source package is missing, you may need to create it or update the existing packages to include the necessary data.
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using to ensure that all steps have been followed correctly.
  Logs and Traces: Check the logs and traces for more detailed error messages that can provide additional context on what might be going wrong.
  
  Related Information:
  
  SAP Notes: Look for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with the error message and any relevant logs.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.