How To Fix CNV_PE627 - DDIC structure for transfer list structure flags not yet generated

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 627

• Message text: DDIC structure for transfer list structure flags not yet generated

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE627 - DDIC structure for transfer list structure flags not yet generated ?

  The SAP error message CNV_PE627 indicates that the Data Dictionary (DDIC) structure for the transfer list structure flags has not yet been generated. This error typically occurs during data migration or conversion processes, particularly when using SAP's tools for data transfer, such as the SAP S/4HANA Migration Cockpit or other data migration tools.
  Cause:
  The error can be caused by several factors, including:
  
  Incomplete Configuration: The necessary configuration steps for the data migration process may not have been completed, leading to missing DDIC structures.
  Missing or Incomplete Generation: The DDIC structures required for the transfer list may not have been generated properly or at all.
  Transport Issues: If the relevant transport requests containing the DDIC structures have not been imported into the system, this can lead to the error.
  Version Mismatch: There may be a mismatch between the versions of the tools or components being used for the migration.
  
  Solution:
  To resolve the CNV_PE627 error, you can follow these steps:
  
  
  Check Configuration: Ensure that all necessary configuration steps for the data migration process have been completed. Refer to the relevant documentation for the migration tool you are using.
  
  
  Generate DDIC Structures:
  
  Use transaction SE11 to check if the required DDIC structures exist.
  If they do not exist, you may need to generate them. This can often be done through the migration tool or by executing specific programs or reports provided by SAP.
  
  
  
  Run the Generation Program:
  
  If you have access to the relevant programs, you can run the generation program for the transfer list structures. This is often part of the migration tool's setup.
  Look for programs or reports related to the migration tool you are using (e.g., CNV_MBT_GENERATE).
  
  
  
  Check Transport Requests: Ensure that all necessary transport requests have been imported into the system. If you are working in a development environment, make sure that the changes have been transported to the quality or production environment.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve known issues.
  
  
  Contact SAP Support: If the issue persists after following the above steps, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error and the steps you have already taken.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE80 (Object Navigator), and the specific transaction for the migration tool you are using.
  Documentation: Review the official SAP documentation for the migration tool you are using, as it often contains troubleshooting sections for common errors.
  Community Forums: Check SAP Community forums or other user groups for discussions related to the CNV_PE627 error, as other users may have encountered and resolved similar issues.
  
  By following these steps, you should be able to address the CNV_PE627 error and proceed with your data migration or conversion process.