How To Fix CNV_DMC_MC_EXCEPTION158 - There are no entries to process

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_MC_EXCEPTION - Exception texts of Migration Object Modeller

• Message number: 158

• Message text: There are no entries to process

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_DMC_MC_EXCEPTION158 - There are no entries to process ?

  The SAP error message CNV_DMC_MC_EXCEPTION158 with the description "There are no entries to process" typically occurs during data migration or conversion processes, particularly when using the SAP Data Migration Cockpit (DMC) or similar tools. This error indicates that the system did not find any data entries to process for the specified migration object or task.
  Causes:
  
  No Data Available: The most straightforward cause is that there are genuinely no entries in the source system that match the criteria defined for the migration.
  Incorrect Selection Criteria: The selection criteria or filters applied during the migration setup may be too restrictive, leading to no data being selected.
  Data Not Loaded: The data may not have been loaded into the source system or the relevant tables may be empty.
  Configuration Issues: There may be issues with the configuration of the migration object or the mapping of fields, leading to no data being recognized for processing.
  Technical Issues: There could be technical issues such as database connectivity problems or issues with the migration tool itself.
  
  Solutions:
  
  Check Data Availability: Verify that there are indeed entries in the source system that should be processed. You can do this by querying the relevant tables directly.
  Review Selection Criteria: Revisit the selection criteria or filters used in the migration setup. Ensure they are set correctly to include the desired data.
  Load Data: If the data is not present, ensure that it is loaded into the source system before running the migration.
  Configuration Review: Check the configuration of the migration object and ensure that all necessary mappings and settings are correctly defined.
  Logs and Traces: Review logs and traces for any additional error messages or warnings that might provide more context about the issue.
  Test with Sample Data: If possible, test the migration with a smaller set of sample data to see if the issue persists.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration object you are working with for any known issues or additional troubleshooting steps.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to the specific migration object or the error message.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  SAP Support: If the issue persists and you have a support contract, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.