How To Fix CNV_MBT_46117 - A similar key field entry already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT_46 - PCL message class

• Message number: 117

• Message text: A similar key field entry already exists

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_MBT_46117 - A similar key field entry already exists ?

  The SAP error message CNV_MBT_46117 indicates that there is a conflict due to a duplicate key field entry during a data migration or conversion process. This error typically arises in the context of using the SAP Migration Cockpit or during data transfer processes where unique keys are required for records being imported into the system.
  Cause:
  The error occurs when the system detects that the key field (or combination of key fields) for a record you are trying to import already exists in the target database. This can happen due to:
  
  Duplicate Data: The source data being migrated contains duplicate entries for the key fields.
  Existing Data: The target system already has records with the same key values that you are trying to import.
  Incorrect Mapping: The mapping of fields between the source and target systems may not be set up correctly, leading to conflicts.
  
  Solution:
  To resolve the CNV_MBT_46117 error, you can take the following steps:
  
  
  Identify Duplicates:
  
  Check the source data for duplicate entries based on the key fields. You can use tools like Excel or SQL queries to identify duplicates.
  
  
  
  Review Existing Data:
  
  Look into the target system to see if the records with the same key already exist. If they do, determine if they need to be updated or if the migration should skip these records.
  
  
  
  Adjust Mapping:
  
  Ensure that the mapping of fields in the migration process is correct. Verify that the key fields are correctly defined and that there are no unintended overlaps.
  
  
  
  Modify Data:
  
  If duplicates are found in the source data, you may need to clean the data by removing or consolidating duplicate entries before attempting the migration again.
  
  
  
  Use a Different Key:
  
  If applicable, consider using a different key or modifying the key fields to ensure uniqueness.
  
  
  
  Consult Logs:
  
  Check the migration logs for more detailed information about the error, which can provide insights into which specific records are causing the issue.
  
  
  
  Testing:
  
  After making the necessary adjustments, perform a test migration with a smaller dataset to ensure that the issue has been resolved before proceeding with the full migration.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or patches related to this error.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit, which may provide best practices and troubleshooting tips.
  Data Quality Tools: Consider using data quality tools to help identify and resolve data issues before migration.
  
  By following these steps, you should be able to address the CNV_MBT_46117 error and successfully complete your data migration process.