How To Fix CNV_NCE_BAS459 - No source system information found

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_NCE_BAS - Number conversion engine: messages

• Message number: 459

• Message text: No source system information found

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_NCE_BAS459 - No source system information found ?

  The SAP error message CNV_NCE_BAS459: No source system information found typically occurs during data migration or conversion processes, particularly when using SAP's tools for data migration, such as the SAP S/4HANA Migration Cockpit or other data transfer tools. This error indicates that the system is unable to find the necessary source system information that is required for the migration process.
  Causes:
  
  Missing Source System Configuration: The source system may not be properly configured in the target system. This could happen if the source system was not defined or registered correctly.
  Incorrect Migration Settings: The migration settings may not be correctly set up, leading to the system being unable to identify the source system.
  Authorization Issues: The user executing the migration may not have the necessary authorizations to access the source system information.
  Data Mapping Issues: There may be issues with the data mapping or transformation rules that prevent the system from recognizing the source data.
  
  Solutions:
  
  
  Check Source System Configuration:
  
  Ensure that the source system is correctly configured in the target system. This includes verifying that the source system is registered and that all necessary connection details are provided.
  Use transaction codes like SM59 to check RFC connections and ensure they are functioning correctly.
  
  
  
  Review Migration Settings:
  
  Go through the migration settings in the Migration Cockpit or the relevant data migration tool to ensure that the source system is correctly specified.
  Make sure that the correct migration object is selected and that all required parameters are filled in.
  
  
  
  Verify User Authorizations:
  
  Check the user roles and authorizations to ensure that the user executing the migration has the necessary permissions to access the source system information.
  You may need to consult with your SAP security team to ensure that the user has the appropriate roles assigned.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation related to the specific migration tool you are using. There may be specific prerequisites or configuration steps that need to be followed.
  
  
  
  Check for Notes and Updates:
  
  Look for any SAP Notes or updates related to the error message. SAP frequently releases notes that address known issues and provide solutions or workarounds.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance. They may provide insights specific to your system configuration or version.
  
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific data migration tool you are using for detailed guidance on configuration and troubleshooting.
  Community Forums: Engage with the SAP Community or other forums where SAP professionals discuss similar issues. You may find others who have encountered and resolved the same error.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.