How To Fix CNV_OM_MWBGEN064 - The structure of object &1 needs to be adjusted before rule assignment

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_OM_MWBGEN - SLO: Messages for Object Based MBW Generation

• Message number: 064

• Message text: The structure of object &1 needs to be adjusted before rule assignment

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_OM_MWBGEN064 - The structure of object &1 needs to be adjusted before rule assignment ?

  The SAP error message CNV_OM_MWBGEN064 indicates that there is an issue with the structure of an object in the context of a data migration or conversion process. This error typically arises when the structure of the object (such as a table or a data structure) does not match the expected format required for rule assignment in the SAP system.
  Cause:
  
  Mismatch in Structure: The object structure may not align with the expected structure defined in the migration or conversion rules. This could be due to missing fields, incorrect data types, or additional fields that are not accounted for in the rules.
  Changes in Data Model: If there have been changes in the data model (for example, during an upgrade or a migration project), the existing structures may no longer be valid.
  Incomplete Configuration: The configuration for the object may not be complete, leading to discrepancies when trying to assign rules.
  
  Solution:
  
  Review Object Structure: Check the structure of the object indicated by &1 in the error message. Ensure that it matches the expected structure required for rule assignment.
  Adjust the Structure: If there are discrepancies, you may need to adjust the structure of the object. This could involve:
  
  Adding missing fields.
  Modifying data types to match the expected types.
  Removing unnecessary fields that are not part of the expected structure.
  
  
  Update Migration Rules: If the structure has changed, you may need to update the migration rules to accommodate the new structure.
  Consult Documentation: Refer to the SAP documentation or migration guides related to the specific object and the rules you are trying to assign. This can provide insights into the expected structure and any necessary adjustments.
  Testing: After making adjustments, test the rule assignment again to ensure that the error is resolved.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SE11 (Data Dictionary) to view and modify the structure of the object.
  Migration Cockpit: If you are using the SAP S/4HANA Migration Cockpit, ensure that you are following the guidelines provided for data migration.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling structure-related issues during migration.
  
  If the problem persists after following these steps, consider reaching out to SAP support or consulting with a technical expert who specializes in SAP data migration.