How To Fix CNV_20800081 - There are temporary duplicates for customer numbers

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20800 - Message class for CNV_20800

• Message number: 081

• Message text: There are temporary duplicates for customer numbers

What causes this issue?

There are <DS:TX.CNV_MBT_TEMP_DUPLICATES>temporary duplicates</> for
customer numbers

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20800081 - There are temporary duplicates for customer numbers ?

  The SAP error message CNV_20800081 indicates that there are temporary duplicates for customer numbers in the system. This error typically arises during data migration or conversion processes, particularly when using SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data transfer methods.
  Cause:
  The error occurs when the system detects that there are multiple entries for the same customer number in the source data. This can happen due to:
  
  Data Quality Issues: Duplicate entries in the source system or during the extraction process.
  Incorrect Mapping: Misconfiguration in the mapping of customer numbers during the migration process.
  Temporary Duplicates: The system may have temporary duplicates that are not yet resolved, possibly due to ongoing transactions or data processing.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Identify Duplicates:
  
  Check the source data for duplicate customer numbers. You can use SQL queries or data analysis tools to identify duplicates.
  Review the logs or reports generated during the migration process to pinpoint where the duplicates are occurring.
  
  
  
  Clean Up Data:
  
  Remove or consolidate duplicate entries in the source data. Ensure that each customer number is unique.
  If duplicates are legitimate (e.g., different records for the same customer), consider how to merge or differentiate them appropriately.
  
  
  
  Adjust Mapping:
  
  Review the mapping configuration in the migration tool to ensure that customer numbers are being mapped correctly and uniquely.
  
  
  
  Re-run Migration:
  
  After cleaning up the data and ensuring there are no duplicates, re-run the migration process.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific migration tool you are using for any additional guidance or best practices.
  
  
  
  Engage SAP Support:
  
  If the issue persists, consider reaching out to SAP support for assistance, especially if you suspect there may be a bug or a more complex issue at play.
  
  
  
  Related Information:
  
  Data Migration Tools: Familiarize yourself with the specific data migration tools and their functionalities, as they may have built-in features to handle duplicates.
  Data Governance: Implement data governance practices to maintain data quality and prevent duplicates in the future.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  By following these steps, you should be able to resolve the CNV_20800081 error and successfully complete your data migration process.