How To Fix CNV761 - Unique secondary index & of table & can cause duplicates.

CNV761 - Overview

• Message type: E = Error

• Message class: CNV - Conversion: Messages for Conversion Services (CNCC)

• Message number: 761

• Message text: Unique secondary index & of table & can cause duplicates.

What causes this issue?

A unique secondary index was found.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Make sure that the index does not cause any duplicates,
or use transaction CNV_OPT to earmark the index for automatic dropping
during the conversion.
(Choose pushbutton 'Table-spec. index handling' to select and save the
indexes that you want to drop.)

Error message extract from SAP system. Copyright SAP SE.

CNV761 - Details

• The SAP error message CNV761 indicates that there is a potential issue with a unique secondary index on a database table that could lead to duplicate entries. This error typically arises during data migration or conversion processes, particularly when using SAP's Data Migration tools or during the execution of certain programs that manipulate data in a way that could violate the uniqueness constraints of the index.
  
  Cause:
  
  Data Duplication: The data being migrated or processed may contain duplicate entries that violate the uniqueness of the secondary index.
  Index Definition: The secondary index is defined in such a way that it expects unique values, but the incoming data does not meet this requirement.
  Data Model Changes: Changes in the data model or structure of the table may lead to conflicts with existing data and the defined indexes.
  
  
  Solution:
  
  
  Identify Duplicates: Before proceeding with the migration or data processing, run a query to identify any duplicate entries in