How To Fix CNV_PE_IF016 - Selection field can be defined only for data model root table

CNV_PE_IF016 - Overview

• Message type: E = Error

• Message class: CNV_PE_IF - Messages for interface and interface mapping handling

• Message number: 016

• Message text: Selection field can be defined only for data model root table

Self-Explanatory Message

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CNV_PE_IF016 - Details

• The SAP error message CNV_PE_IF016 indicates that a selection field is being defined for a table that is not the root table of a data model in a conversion or migration scenario. This typically occurs in the context of SAP data migration projects, particularly when using tools like the SAP S/4HANA Migration Cockpit or other data conversion tools.
  
  Cause:
  The error arises when:
  
  You attempt to define a selection field for a table that is not the root table in the data model hierarchy.
  The data model expects selection fields to be defined only for the root table, which serves as the primary entity in the data structure.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify the Root Table: Determine which table is the root table in your data model. This is usually the main entity that other tables are related to.
  
  
  Modify the Selection Field Definition:
  
  Ensure that any selection fields you are trying