How To Fix CNV40107018 - Check for duplicate entries exist or not

CNV40107018 - Overview

• Message type: E = Error

• Message class: CNV40107 - Package 40107 - Logical System

• Message number: 018

• Message text: Check for duplicate entries exist or not

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.

Unfortunately, there isn't any extra information in this error notice.

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CNV40107018 - Details

• The SAP error message CNV40107018, which indicates that there are duplicate entries, typically arises during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error suggests that the system has detected duplicate records in the data being processed, which can lead to inconsistencies and issues in the target system.
  
  Cause:
  
  Duplicate Data: The most common cause is that the source data contains duplicate entries that violate the uniqueness constraints of the target database tables.
  Incorrect Mapping: If the mapping of fields from the source to the target is not correctly defined, it may lead to duplicates being created during the migration.
  Data Quality Issues: Poor data quality in the source system, such as missing keys or incorrect identifiers, can also lead to duplicates.
  Configuration Errors: Misconfiguration in the migration settings or parameters can result in the system not recognizing unique records.
  
  
  Solution:
  
  
  Identify Duplicates: 
  
  Use SQL queries or data