How To Fix CNV_PE_SEL039 - Preselection could not be started

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_SEL -

• Message number: 039

• Message text: Preselection could not be started

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_PE_SEL039 - Preselection could not be started ?

  The SAP error message CNV_PE_SEL039: Preselection could not be started typically occurs in the context of data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that the preselection process, which is a preliminary step in data migration, could not be initiated due to various reasons.
  Possible Causes:
  
  Configuration Issues: The migration project may not be properly configured. This could include missing or incorrect settings in the migration cockpit or the source system.
  Authorization Problems: The user executing the migration may not have the necessary authorizations to start the preselection process.
  Data Model Issues: There may be inconsistencies or issues with the data model that prevent the preselection from being executed.
  Technical Errors: There could be underlying technical issues, such as database connectivity problems or system performance issues.
  Missing Objects: Required objects (like tables, structures, or programs) may be missing or not properly activated in the system.
  
  Solutions:
  
  Check Configuration: Review the configuration settings in the migration cockpit to ensure everything is set up correctly. Make sure that all necessary parameters are defined.
  Verify Authorizations: Ensure that the user has the appropriate authorizations to execute the preselection. This may involve checking roles and permissions in the SAP system.
  Review Data Model: Analyze the data model for any inconsistencies or issues. This may involve checking for missing or incorrect data mappings.
  Check System Logs: Look at the system logs (transaction SLG1) for any additional error messages or warnings that could provide more context about the failure.
  Technical Support: If the issue persists, consider reaching out to SAP support or your internal IT team for further assistance. They may need to investigate deeper technical issues or bugs in the system.
  System Performance: Ensure that the system is performing optimally and that there are no performance bottlenecks that could be affecting the migration process.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for the migration cockpit or the specific migration tool you are using for any guidelines or prerequisites that may have been overlooked.
  Community Forums: Consider searching or posting in SAP community forums or discussion groups, as other users may have encountered and resolved similar issues.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.