How To Fix CNV_PE746 - Generation of DDIC structure ('ERR' format) for worklist

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 746

• Message text: Generation of DDIC structure ('ERR' format) for worklist

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE746 - Generation of DDIC structure ('ERR' format) for worklist ?

  The SAP error message "CNV_PE746 Generation of DDIC structure ('ERR' format) for worklist" typically occurs during the execution of a data migration or conversion process, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there was an issue generating a Data Dictionary (DDIC) structure for the worklist, which is essential for the data migration process.
  Causes:
  
  Missing or Incomplete Configuration: The configuration settings for the migration project may be incomplete or incorrect, leading to issues in generating the required structures.
  Data Model Issues: There may be inconsistencies or errors in the data model that prevent the successful generation of the DDIC structure.
  Authorization Issues: The user executing the migration may not have the necessary authorizations to create or modify DDIC objects.
  Technical Errors: There could be underlying technical issues, such as database inconsistencies or problems with the SAP system itself.
  Version Compatibility: The version of the migration tool or the SAP system may not be compatible with the data being processed.
  
  Solutions:
  
  Check Configuration: Review the configuration settings for the migration project to ensure that all required parameters are correctly set.
  Review Data Model: Analyze the data model for any inconsistencies or errors. Ensure that all necessary fields and structures are defined correctly.
  User Authorizations: Verify that the user executing the migration has the appropriate authorizations to create and modify DDIC objects.
  System Logs: Check the system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  Technical Support: If the issue persists, consider reaching out to SAP support for assistance. They may provide patches or updates that address the problem.
  Re-run the Process: Sometimes, simply re-running the migration process after addressing any identified issues can resolve the error.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SLG1 (Application Log) for checking logs, SE11 (Data Dictionary) for viewing DDIC objects, and SE37 (Function Builder) for checking function modules related to the migration.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide guidance on similar issues.
  Documentation: Review the official SAP documentation for the migration tool you are using, as it may contain troubleshooting steps or best practices for resolving common errors.
  
  By following these steps, you should be able to identify the root cause of the CNV_PE746 error and implement a suitable solution.