How To Fix CNV_20800172 - &1 customer numbers are not participating in conversion

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20800 - Message class for CNV_20800

• Message number: 172

• Message text: &1 customer numbers are not participating in conversion

What causes this issue?

Not all the customer numbers present in customer master table (KNA1)
participate in 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.

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_20800172 - &1 customer numbers are not participating in conversion ?

  The SAP error message CNV_20800172 indicates that certain customer numbers are not participating in a data conversion process, typically during a migration or upgrade scenario. This error is part of the SAP Conversion Tools, which are used to facilitate the transition from older systems to S/4HANA or other SAP environments.
  Cause:
  The error can occur due to several reasons:
  
  Inactive Customer Records: The customer numbers in question may not be active or may have been flagged for deletion.
  Data Mapping Issues: There may be issues with how customer data is mapped from the source system to the target system.
  Configuration Settings: The conversion settings may not include the specified customer numbers, or there may be filters applied that exclude them.
  Missing Data: Required data for the customer numbers may be missing or incomplete, preventing them from being included in the conversion process.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Customer Status: Verify the status of the customer numbers in the source system. Ensure they are active and not flagged for deletion.
  
  
  Review Data Mapping: Check the mapping configuration in the conversion tool to ensure that the customer numbers are included in the conversion process. Adjust the mapping if necessary.
  
  
  Examine Filters: Look for any filters or selection criteria that may be excluding the customer numbers from the conversion. Modify these settings to include the necessary records.
  
  
  Data Completeness: Ensure that all required data for the customer numbers is present and complete. If any data is missing, gather the necessary information and update the records.
  
  
  Consult Documentation: Refer to the SAP documentation related to the specific conversion process you are undertaking. There may be specific guidelines or prerequisites that need to be followed.
  
  
  Run Pre-Checks: Utilize any pre-check tools provided by SAP to identify potential issues before running the conversion. This can help catch problems early in the process.
  
  
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may provide insights specific to your system configuration and conversion scenario.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their solutions.
  Documentation: Review the official SAP documentation for the conversion tools and processes, as they often contain valuable information on common errors and their resolutions.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to ensure that the customer numbers participate in the conversion process.