How To Fix CNV_MBT_46255 - Duplicates entries are present

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT_46 - PCL message class

• Message number: 255

• Message text: Duplicates entries are present

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_MBT_46255 - Duplicates entries are present ?

  The SAP error message CNV_MBT_46255 indicates that there are duplicate entries present in the data being processed, which is causing an issue during a migration or data transfer process. This error is typically encountered in the context of data migration projects, especially when using SAP's Migration Cockpit or other data migration tools.
  Cause:
  The error is caused by the presence of duplicate records in the source data that you are trying to migrate. This can happen due to various reasons, such as:
  
  Data Quality Issues: The source data may have been poorly maintained, leading to duplicate entries.
  Incorrect Data Extraction: During the extraction process, the same records may have been pulled multiple times.
  Configuration Errors: The mapping or transformation rules may not be set up correctly, leading to duplicates being created during the migration process.
  
  Solution:
  To resolve the CNV_MBT_46255 error, you can follow these steps:
  
  
  Identify Duplicates:
  
  Analyze the source data to identify the duplicate entries. You can use SQL queries or data analysis tools to find duplicates based on key fields.
  
  
  
  Clean the Data:
  
  Remove or consolidate duplicate entries in the source data. This may involve:
  
  Deleting unnecessary duplicates.
  Merging records if they contain complementary information.
  
  
  
  
  
  Adjust Extraction Logic:
  
  If the duplicates are a result of the extraction process, review and adjust the extraction logic to ensure that it only pulls unique records.
  
  
  
  Review Mapping and Transformation Rules:
  
  Check the mapping and transformation rules in the migration tool to ensure that they are correctly configured to prevent the creation of duplicates.
  
  
  
  Re-run the Migration:
  
  After cleaning the data and making necessary adjustments, re-run the migration process to see if the error persists.
  
  
  
  Related Information:
  
  Data Migration Best Practices: Always ensure that data quality is maintained before migration. Implement data validation checks and cleansing processes.
  SAP Notes: Check for any relevant SAP Notes or documentation that may provide additional insights or specific fixes related to this error.
  Testing: Conduct thorough testing in a non-production environment to ensure that the migration process works smoothly after resolving the duplicates.
  
  By following these steps, you should be able to resolve the CNV_MBT_46255 error and successfully complete your data migration process.