How To Fix CNV_10020125 - Select a column header

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 125

• Message text: Select a column header

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10020125 - Select a column header ?

  The SAP error message CNV_10020125: Select a column header typically occurs in the context of data migration or data conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that the system expects a column header to be selected, but none has been chosen.
  Cause:
  
  No Column Selected: The user has not selected any column header in the data mapping or transformation screen.
  User Interface Issue: There may be a glitch in the user interface that prevents the selection of a column header.
  Data Mapping Configuration: The configuration for data mapping may not be set up correctly, leading to the inability to select a column.
  
  Solution:
  
  Select a Column Header: Ensure that you click on a valid column header in the data mapping interface. This is often done by clicking on the header of the column you wish to work with.
  Refresh the Interface: If the interface seems unresponsive, try refreshing the page or restarting the transaction to see if the issue resolves itself.
  Check User Permissions: Ensure that you have the necessary permissions to perform actions in the data migration tool.
  Review Data Mapping Configuration: Go through the data mapping configuration to ensure that it is set up correctly and that all necessary columns are available for selection.
  Consult Documentation: Refer to the official SAP documentation or help guides related to the specific migration tool you are using for any additional troubleshooting steps.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for further assistance, especially if this is a recurring problem.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  Migration Cockpit Documentation: Review the documentation for the SAP S/4HANA Migration Cockpit or the specific tool you are using for data migration.
  Community Forums: Look for discussions in SAP community forums or other user groups where similar issues may have been addressed.
  
  By following these steps, you should be able to resolve the error CNV_10020125 and continue with your data migration or conversion process.