How To Fix CNV_20800188 - &1 of &2 customer numbers are participating in conversion

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20800 - Message class for CNV_20800

• Message number: 188

• Message text: &1 of &2 customer numbers are participating in conversion

What causes this issue?

Not all the customer numbers that exist in customer master table (KNA1)
participate in the conversion.

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?

If you wish to rename all the customer numbers present in the system,
specify the remaining customer numbers in the mapping.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20800188 - &1 of &2 customer numbers are participating in conversion ?

  The SAP error message CNV_20800188 typically relates to issues encountered during data conversion processes, particularly in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data conversion scenarios. This specific error message indicates that a certain number of customer numbers are involved in the conversion process, but there may be issues preventing the successful completion of that process.
  Cause:
  
  Data Integrity Issues: The customer numbers may have inconsistencies or errors in the source data that prevent them from being converted properly.
  Configuration Problems: There may be misconfigurations in the conversion settings or mapping rules that lead to this error.
  Missing Data: Required fields or data for the customer numbers may be missing or incomplete.
  Duplicate Entries: There could be duplicate customer numbers in the source data that are causing conflicts during the conversion.
  Custom Logic: If there are custom enhancements or logic applied to the customer data, they may not be compatible with the conversion process.
  
  Solution:
  
  Data Validation: Review the source data for the customer numbers involved. Ensure that all required fields are populated and that there are no inconsistencies or duplicates.
  Check Configuration: Verify the configuration settings for the conversion process. Ensure that the mapping and transformation rules are correctly set up.
  Error Logs: Check the detailed error logs or messages provided by the conversion tool. These logs can give more specific information about what is causing the error.
  Data Cleansing: If there are issues with the data, perform data cleansing to correct any errors or inconsistencies before attempting the conversion again.
  Testing: Conduct a test conversion with a smaller subset of data to identify any potential issues before running the full conversion.
  Consult Documentation: Refer to SAP's official documentation or notes related to the specific conversion tool you are using for any additional troubleshooting steps or known issues.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on data conversion issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the context in which it occurs.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to successfully complete the data conversion process.