How To Fix CNV_DMC_HC102 - Duplicate entries of table &1 exist in Settings for Logging Table Check

CNV_DMC_HC102 - Overview

• Message type: E = Error

• Message class: CNV_DMC_HC -

• Message number: 102

• Message text: Duplicate entries of table &1 exist in Settings for Logging Table Check

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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CNV_DMC_HC102 - Details

• The SAP error message CNV_DMC_HC102 indicates that there are duplicate entries in a specific table related to the settings for logging table checks during a data migration or conversion process. This error typically arises in the context of using the SAP Data Migration Cockpit or similar tools where data consistency and integrity are crucial.
  
  Cause:
  The error occurs when the system detects that there are multiple entries in a configuration table that should only have unique entries. This can happen due to:
  
  Incorrect Configuration: During the setup of logging or migration settings, duplicate entries may have been inadvertently created.
  Data Import Issues: If data was imported or migrated from another system, it might have included duplicates.
  Manual Errors: Manual entries or modifications to the configuration tables can lead to duplicates.
  
  
  Solution:
  To resolve the CNV_DMC_HC102 error, you can follow these steps:
  
  
  Identify the Table: The error message will specify the table (denoted as &1) where the duplicates exist.