How To Fix CNV_MBT_46377 - Duplicate entries, with same fieldname

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT_46 - PCL message class

• Message number: 377

• Message text: Duplicate entries, with same fieldname

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_MBT_46377 - Duplicate entries, with same fieldname ?

  The SAP error message CNV_MBT_46377 indicates that there are duplicate entries in the data being processed, specifically with the same field name. This error typically arises during data migration or conversion processes, particularly when using SAP's Migration Cockpit or other data migration tools.
  Cause:
  
  Duplicate Data: The most common cause of this error is that the source data contains duplicate entries for a specific field that is expected to be unique. This could happen due to data extraction issues or inconsistencies in the source system.
  Mapping Issues: If the mapping of fields from the source to the target system is not correctly defined, it may lead to duplicates being created during the migration process.
  Configuration Errors: Incorrect configuration settings in the migration tool can also lead to this error, especially if the tool is not set up to handle duplicates appropriately.
  
  Solution:
  
  Identify Duplicates: Review the source data to identify the duplicate entries. You can use SQL queries or data analysis tools to find duplicates based on the field name mentioned in the error message.
  Data Cleansing: Once duplicates are identified, you will need to cleanse the data. This may involve:
  
  Removing duplicates.
  Merging records if necessary.
  Ensuring that the data adheres to the unique constraints required by the target system.
  
  
  Adjust Mapping: If the issue is related to mapping, review and adjust the mapping configuration to ensure that it correctly reflects the relationships and uniqueness of the data.
  Test Migration: After making the necessary changes, perform a test migration to ensure that the error does not occur again.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration tool you are using for any additional guidance or best practices.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions related to this error message.
  Migration Cockpit: If you are using the SAP Migration Cockpit, familiarize yourself with its features for handling duplicates and data validation.
  Data Quality Tools: Consider using data quality tools to automate the process of identifying and resolving duplicates in your source data.
  
  By following these steps, you should be able to resolve the CNV_MBT_46377 error and successfully complete your data migration process.