How To Fix CNV_NCE_BAS012 - No header tables maintained

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_NCE_BAS - Number conversion engine: messages

• Message number: 012

• Message text: No header tables maintained

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 CNV_NCE_BAS012 - No header tables maintained ?

  The SAP error message CNV_NCE_BAS012: No header tables maintained typically occurs in the context of data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that the system is unable to find the necessary header tables that are required for the migration process.
  Cause:
  
  Missing Configuration: The header tables that are required for the specific migration scenario have not been maintained or configured in the system.
  Incorrect Migration Object: The migration object you are trying to use may not be set up correctly, or it may not correspond to the data you are trying to migrate.
  Transport Issues: If the migration objects were transported from another system, there may have been issues during the transport that led to missing or incomplete configurations.
  Authorization Issues: Lack of proper authorizations to access the necessary tables or configurations can also lead to this error.
  
  Solution:
  
  Check Configuration: Ensure that the header tables for the migration object you are working with are properly maintained. This can usually be done in the transaction code related to the migration cockpit or the specific migration tool you are using.
  Review Migration Object: Verify that you are using the correct migration object and that it is set up correctly in the system. You may need to consult the documentation for the specific migration scenario you are working with.
  Transport Check: If the migration objects were transported, check the transport logs for any errors or issues. You may need to re-transport the objects or manually configure them in the target system.
  Authorization Check: Ensure that you have the necessary authorizations to access and maintain the header tables. You may need to work with your SAP security team to resolve any authorization issues.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. There may be patches or updates that can resolve the issue.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for the Migration Cockpit or the specific migration tool you are using for detailed instructions on how to maintain header tables.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered the same issue and what solutions they have found.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if you suspect it may be a bug or require deeper investigation.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.