How To Fix DMC_GENERAL004 - Output list is empty

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_GENERAL - MWB: General Messages

• Message number: 004

• Message text: Output list 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.

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 DMC_GENERAL004 - Output list is empty ?

  The SAP error message DMC_GENERAL004: Output list is empty typically occurs in the context of the Data Migration Cockpit (DMC) or during data migration processes in SAP systems. This error indicates that the system did not generate any output data for the operation you were trying to perform, which can be frustrating when you expect to see results.
  Causes:
  
  No Data Selected: The most common cause is that the selection criteria used in the data migration process did not match any records in the source system.
  Incorrect Mapping: If the mapping of fields between the source and target systems is incorrect or incomplete, it may lead to no data being processed.
  Filters Applied: Filters applied during the data migration process may be too restrictive, resulting in no records being included in the output.
  Technical Issues: There may be technical issues or bugs in the DMC or the underlying data processing logic.
  Authorization Issues: Lack of proper authorizations to access the data can also lead to an empty output list.
  
  Solutions:
  
  Check Selection Criteria: Review the selection criteria used in the data migration process to ensure they are correct and that there are records in the source system that meet these criteria.
  Review Mapping: Verify the mapping of fields between the source and target systems to ensure that all necessary fields are correctly mapped.
  Adjust Filters: If filters are applied, consider loosening them to see if any records are returned.
  Debugging: If you have access to debugging tools, you can trace the execution of the data migration process to identify where it fails to produce output.
  Check Authorizations: Ensure that the user executing the data migration has the necessary authorizations to access the data.
  Consult Logs: Check the logs for any additional error messages or warnings that might provide more context about why the output list is empty.
  SAP Notes: Look for relevant SAP Notes or updates that might address known issues with the DMC or data migration processes.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for the Data Migration Cockpit for detailed guidance on configuration and troubleshooting.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if you suspect a bug or a more complex issue.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the DMC_GENERAL004 error message.