How To Fix CNV_CDMC_CA109 - & duplicates exist in customer domains

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_CDMC_CA - CDMC Clearing Analysis

• Message number: 109

• Message text: & duplicates exist in customer domains

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_CDMC_CA109 - & duplicates exist in customer domains ?

  The SAP error message CNV_CDMC_CA109 typically indicates that there are duplicate entries in customer domains during a data migration or conversion process. This error is often encountered in the context of the SAP Customer Data Migration Cockpit (CDMC) or during the execution of data migration projects.
  Cause:
  The error arises when the system detects that there are multiple entries for the same customer or domain in the source data. This can happen due to:
  
  Duplicate Records: The source data may contain duplicate customer records, which can occur due to data entry errors, merging of datasets, or incorrect data extraction processes.
  Inconsistent Data: Different records may have been created for the same customer due to variations in naming conventions, address formats, or other attributes.
  Data Migration Issues: During the migration process, if the mapping or transformation rules are not correctly defined, it can lead to duplicates being created in the target system.
  
  Solution:
  To resolve the CNV_CDMC_CA109 error and eliminate duplicates in customer domains, you can follow these steps:
  
  
  Identify Duplicates:
  
  Use data analysis tools or SQL queries to identify duplicate records in the source data. Look for unique identifiers such as customer IDs, names, or addresses that may indicate duplicates.
  
  
  
  Data Cleansing:
  
  Clean the source data by removing or consolidating duplicate records. This may involve:
  
  Merging records that refer to the same customer.
  Standardizing naming conventions and address formats.
  Ensuring that each customer has a unique identifier.
  
  
  
  
  
  Update Mapping Rules:
  
  Review and update the mapping rules in the data migration process to ensure that duplicates are handled correctly. This may involve defining how to treat duplicates (e.g., keeping the most recent record).
  
  
  
  Test Migration:
  
  After cleansing the data and updating the mapping rules, perform a test migration to ensure that the error does not occur again.
  
  
  
  Use SAP Tools:
  
  Utilize SAP tools such as the Data Services or SAP Information Steward to assist in data profiling and cleansing.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the CNV_CDMC_CA109 error for any specific recommendations or patches that may address the issue.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions for this error.
  Data Migration Best Practices: Familiarize yourself with best practices for data migration, including data profiling, cleansing, and validation techniques.
  SAP Community: Engage with the SAP Community forums to seek advice from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the CNV_CDMC_CA109 error and ensure a successful data migration process without duplicates in customer domains.