How To Fix CNV_PE797 - Only fields of the data model root table and extension &1 are allowed

CNV_PE797 - Overview

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 797

• Message text: Only fields of the data model root table and extension &1 are allowed

Self-Explanatory Message

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CNV_PE797 - Details

• The SAP error message CNV_PE797 typically occurs during data migration or data transfer processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is an issue with the data being processed, specifically that only fields from the root table of the data model and its extensions are allowed in the context of the operation being performed.
  
  Cause:
  
  
  Invalid Field Mapping: The error often arises when the data being imported or processed includes fields that are not part of the defined root table or its extensions. This can happen if the data source includes additional fields that are not recognized by the target data model.
  
  
  Incorrect Data Structure: The structure of the data being migrated may not align with the expected structure defined in the migration cockpit or the data model. This can occur if there are discrepancies in the data schema.
  
  
  
  Configuration Issues: There may be configuration