How To Fix CNV_DMC_SIN448 - Unexpected Customer number &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_SIN - Messages for s-innovations migration

• Message number: 448

• Message text: Unexpected Customer number &1

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_SIN448 - Unexpected Customer number &1 ?

  The SAP error message CNV_DMC_SIN448, which states "Unexpected Customer number &1," typically occurs during data migration processes, particularly when using the SAP Data Migration Cockpit (DMC) or similar tools. This error indicates that the system encountered a customer number that it did not expect or recognize during the migration process.
  Cause:
  
  Data Inconsistency: The customer number being processed may not exist in the target system or may not match the expected format or criteria.
  Mapping Issues: There may be a problem with the mapping of customer numbers between the source and target systems, leading to mismatches.
  Configuration Errors: Incorrect configuration settings in the migration tool or the target system can lead to unexpected values being processed.
  Data Quality Issues: The source data may contain errors, such as duplicates or invalid entries, that cause the migration process to fail.
  
  Solution:
  
  Verify Customer Data: Check the source data for the customer number mentioned in the error message. Ensure that it exists and is valid.
  Check Mapping Configuration: Review the mapping settings in the migration tool to ensure that customer numbers are correctly mapped from the source to the target system.
  Data Cleansing: Cleanse the source data to remove any inconsistencies or errors. This may involve deduplication, format standardization, and validation of customer records.
  Review Migration Settings: Ensure that the migration settings in the DMC are correctly configured to handle the customer data as expected.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration scenario you are working on for any additional guidance or known issues.
  Log Analysis: Check the migration logs for more detailed error messages or warnings that could provide further insights into the issue.
  
  Related Information:
  
  SAP Notes: Look for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Data Migration Cockpit Documentation: Review the official SAP documentation for the Data Migration Cockpit for best practices and troubleshooting tips.
  
  If the issue persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.