How To Fix CNV_PE_GEN800 - Generation of DDIC tables not yet executed

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_GEN - Messages for object generation

• Message number: 800

• Message text: Generation of DDIC tables not yet executed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE_GEN800 - Generation of DDIC tables not yet executed ?

  The SAP error message CNV_PE_GEN800: Generation of DDIC tables not yet executed typically occurs in the context of data migration or conversion projects, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that the Data Dictionary (DDIC) tables required for the migration process have not been generated yet.
  Cause:
  
  Incomplete Setup: The necessary steps to generate the DDIC tables have not been completed. This could be due to missing configuration or execution of prerequisite tasks.
  Migration Project Not Initialized: The migration project may not have been properly initialized, leading to the absence of the required DDIC structures.
  Technical Issues: There may be technical issues or errors in the system that prevent the generation of the DDIC tables.
  
  Solution:
  To resolve the CNV_PE_GEN800 error, follow these steps:
  
  
  Execute the Generation Program:
  
  You need to run the program that generates the DDIC tables. This is typically done through transaction code SE38 or SA38.
  Look for the program related to your migration project, often named something like CNV_PE_GEN_DDIC or similar.
  Execute the program and ensure that it completes successfully.
  
  
  
  Check Migration Project Status:
  
  Ensure that your migration project is properly set up and initialized. You can check this in the relevant transaction for your migration tool (e.g., LTMC for the Migration Cockpit).
  If the project is not initialized, follow the necessary steps to set it up.
  
  
  
  Review Logs and Messages:
  
  After executing the generation program, check the logs for any errors or warnings that might indicate why the DDIC tables were not generated.
  Address any issues that are reported in the logs.
  
  
  
  Consult Documentation:
  
  Refer to the official SAP documentation for your specific migration tool or project. There may be specific instructions or prerequisites that need to be followed.
  
  
  
  System Check:
  
  Ensure that your SAP system is functioning correctly and that there are no underlying issues affecting the generation of DDIC tables.
  
  
  
  Contact SAP Support:
  
  If the issue persists after following the above steps, consider reaching out to SAP Support for further assistance. They can provide more detailed troubleshooting based on your specific system configuration and migration scenario.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE38, LTMC, and others related to your migration project.
  SAP Notes: Check for any SAP Notes related to your specific version of SAP and the migration tool you are using. These notes may provide additional insights or fixes for known issues.
  Migration Cockpit: If you are using the SAP S/4HANA Migration Cockpit, ensure that you are following the guidelines provided for data migration, including the necessary pre-steps for DDIC generation.
  
  By following these steps, you should be able to resolve the CNV_PE_GEN800 error and proceed with your data migration or conversion project.