How To Fix CNV_20000028 - Structure &1 must be re-created

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20000 - Messages for fiscal year change

• Message number: 028

• Message text: Structure &1 must be re-created

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20000028 - Structure &1 must be re-created ?

  The SAP error message CNV_20000028, which states "Structure &1 must be re-created," typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that a specific structure (denoted by &1) is not in the expected state and needs to be re-created to proceed with the migration.
  Cause:
  
  Inconsistent Structure: The structure may have been altered or corrupted, leading to inconsistencies that prevent the migration process from recognizing it.
  Missing Components: Required components or fields within the structure may be missing or incorrectly defined.
  Version Mismatch: The structure may not be compatible with the version of the software or the migration tool being used.
  Previous Migration Attempts: If there were previous migration attempts that did not complete successfully, they may have left the structure in an incomplete state.
  
  Solution:
  
  
  Re-create the Structure:
  
  Go to the relevant transaction (e.g., SE11 for Data Dictionary) and locate the structure indicated by the error message.
  Delete the existing structure if it is not needed or if it is corrupted.
  Re-create the structure with the correct definition and fields as required by the migration process.
  
  
  
  Check Dependencies:
  
  Ensure that all dependent objects (like tables, views, etc.) are also correctly defined and available.
  
  
  
  Review Migration Settings:
  
  Check the settings and configurations in the migration tool to ensure they align with the requirements for the structure.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation or notes related to the specific migration process you are using. There may be specific instructions or prerequisites that need to be followed.
  
  
  
  Use Transaction Codes:
  
  Use transaction codes like SE11 (Data Dictionary) to manage structures and SE14 (Database Utility) to check for inconsistencies in database objects.
  
  
  
  Check for SAP Notes:
  
  Look for any relevant SAP Notes that might address this specific error or provide additional guidance.
  
  
  
  Related Information:
  
  SAP Migration Cockpit: This tool is commonly used for data migration to SAP S/4HANA and may have specific requirements for structures.
  Data Dictionary (SE11): This transaction allows you to manage database objects, including structures, tables, and views.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with the error details and any relevant logs.
  
  By following these steps, you should be able to resolve the CNV_20000028 error and successfully proceed with your data migration.