How To Fix CNV20200295 - No suitable unique secondary index found for table &1

CNV20200295 - Overview

• Message type: E = Error

• Message class: CNV20200 - Messages for development class CNV_20200

• Message number: 295

• Message text: No suitable unique secondary index found for table &1

Self-Explanatory Message

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CNV20200295 - Details

• The SAP error message CNV20200295 indicates that there is no suitable unique secondary index found for a specific table in the context of data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
  
  Cause:
  This error typically arises when:
  
  Missing Unique Index: The table in question does not have a unique secondary index defined, which is required for the data migration process to ensure data integrity and avoid duplicates.
  Data Model Changes: The data model may have changed, and the expected unique index is no longer present.
  Custom Tables: If the table is a custom table, it may not have been designed with the necessary unique constraints.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Table Definition:
  
  Use transaction code SE11 (Data Dictionary) to check the definition of the table mentioned in the error message.
  Look for existing indexes and verify if there is a unique secondary index defined.
  
  
  
  Create a