How To Fix KH126 - The last column cannot be deactivated or deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: KH - CO-PA Reporting

• Message number: 126

• Message text: The last column cannot be deactivated or deleted

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 KH126 - The last column cannot be deactivated or deleted ?

  The SAP error message KH126 ("The last column cannot be deactivated or deleted") typically occurs in the context of SAP Controlling (CO) when working with reports or layouts, particularly in the context of cost center accounting or internal orders. This error indicates that you are trying to deactivate or delete the last column in a report layout, which is not allowed by the system.
  Cause:
  
  Last Column Restriction: In SAP, the last column of a report layout is often required for the integrity of the report. It may contain essential data or totals that are necessary for the report's functionality.
  Report Configuration: The configuration of the report may not allow for the last column to be removed or deactivated, as it could lead to incomplete or incorrect reporting.
  
  Solution:
  
  Check Report Layout: Review the report layout you are working with. Ensure that you are not trying to remove the last column. If you need to modify the report, consider adding a new column instead of removing the last one.
  Add New Columns: If you need to change the information displayed, consider adding additional columns rather than deleting the last one. This way, you can customize the report without violating the system's constraints.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on modifying report layouts. This can provide insights into the limitations and best practices for report configuration.
  Contact SAP Support: If you believe that the error is occurring inappropriately or if you need further assistance, consider reaching out to SAP support or your internal SAP team for help.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context on report layout configurations.
  User Manuals: Review user manuals or training materials related to SAP Controlling and report generation to better understand how to work with report layouts.
  Community Forums: Engage with SAP community forums or user groups where you can ask questions and share experiences with other SAP users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the KH126 error and successfully manage your report layouts in SAP.