How To Fix CNV_NCE_BAS001 - Knowledge base for number range objects is empty

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_NCE_BAS - Number conversion engine: messages

• Message number: 001

• Message text: Knowledge base for number range objects is empty

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_BAS001 - Knowledge base for number range objects is empty ?

  The SAP error message CNV_NCE_BAS001 indicates that the knowledge base for number range objects is empty. This error typically arises in the context of data migration or conversion processes, particularly when using SAP's Conversion Tools or during the execution of certain programs that rely on number range objects.
  Cause:
  
  Empty Knowledge Base: The primary cause of this error is that the system does not have any entries in the knowledge base for number range objects. This can happen if the necessary configuration or data has not been set up in the system.
  Missing Configuration: The number range objects may not have been defined or activated in the system, leading to an empty knowledge base.
  Transport Issues: If the relevant configuration was transported from another system, it may not have been properly imported or activated.
  
  Solution:
  
  Check Configuration: Verify that the number range objects are correctly configured in the system. You can do this by navigating to the relevant transaction codes (e.g., SNRO for number range objects) and checking if the required number ranges are defined.
  Create Number Range Objects: If the number range objects are missing, you may need to create them. This involves defining the number range intervals and assigning them to the relevant objects.
  Activate Knowledge Base: If the knowledge base is empty, you may need to activate or populate it. This can sometimes be done through specific SAP transactions or programs designed to initialize or update the knowledge base.
  Check Transport Logs: If the configuration was supposed to be transported, check the transport logs to ensure that the transport was successful and that all necessary objects were included.
  Consult Documentation: Refer to SAP documentation or notes related to the specific conversion or migration process you are executing. There may be specific steps or prerequisites that need to be followed.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SNRO (Number Range Objects) and SNUM (Number Range Management) to manage number ranges.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal 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 have found.
  System Logs: Check system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  If the problem persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.