How To Fix KH420 - Column number does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: KH - CO-PA Reporting

• Message number: 420

• Message text: Column number does not exist

What causes this issue?

You entered a column number which does not exist in the report.

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?

Enter a valid column number or display possible entries with F4.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KH420 - Column number does not exist ?

  The SAP error message KH420 ("Column number does not exist") typically occurs in the context of SAP Controlling (CO) when working with reports or queries that involve cost center accounting, profit center accounting, or other related areas. This error indicates that the system is trying to access a column in a report or data structure that does not exist or is not defined.
  Causes:
  
  Incorrect Column Reference: The report or query may be referencing a column that has been deleted or renamed in the underlying data structure.
  Configuration Issues: There may be issues with the configuration of the report or the data source, leading to mismatches in expected columns.
  Data Source Changes: Changes in the data source (like changes in InfoObjects or data models) can lead to this error if the report is not updated accordingly.
  User Authorization: Sometimes, the user may not have the necessary authorizations to access certain columns, leading to this error.
  
  Solutions:
  
  Check Report Configuration: Review the configuration of the report or query to ensure that all referenced columns exist and are correctly defined.
  Update Data Sources: If there have been changes to the underlying data sources, update the report or query to reflect these changes.
  Recreate the Report: If the report is significantly outdated or misconfigured, consider recreating it from scratch to ensure all columns are correctly defined.
  User Authorizations: Verify that the user has the necessary authorizations to access the required columns. If not, work with your SAP security team to grant the appropriate access.
  Consult Documentation: Refer to SAP documentation or notes related to the specific transaction or report to see if there are known issues or updates that address this error.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the KH420 error. SAP frequently updates its knowledge base with solutions for common errors.
  Transaction Codes: Familiarize yourself with relevant transaction codes (like KSB1 for cost center reports) that may help in troubleshooting.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to your SAP support team or consult with an SAP expert for further assistance.