How To Fix CNV_00001227 - For table &1 duplicate handling method should be set to 'Ignoring dupl.'

CNV_00001227 - Overview

• Message type: E = Error

• Message class: CNV_00001 - Message class for CWB settings maintenance programs

• Message number: 227

• Message text: For table &1 duplicate handling method should be set to 'Ignoring dupl.'

Self-Explanatory Message

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CNV_00001227 - Details

• The SAP error message CNV_00001227 indicates that there is an issue with duplicate entries in a specific table during a data migration or conversion process. The message suggests that the duplicate handling method for the specified table (denoted as &1) should be set to "Ignoring duplicates."
  
  Cause:
  This error typically arises in the context of data migration projects, especially when using SAP's data migration tools (like SAP S/4HANA Migration Cockpit or SAP Data Services). The cause of the error can be attributed to:
  
  Duplicate Records: The source data contains duplicate records that violate the uniqueness constraints of the target table.
  Configuration Settings: The duplicate handling method for the specific table is not set to ignore duplicates, which is necessary when duplicates are present in the source data.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Source Data: Review the source data for the table in question to identify and understand the duplicates. You