How To Fix PFO1009 - Cannot create default key for segment type &1

SAP Error Message - Details

• Message type: E = Error

• Message class: PFO1 - Messages for Portfolio Assignment

• Message number: 009

• Message text: Cannot create default key for segment type &1

What causes this issue?

A key attribute has not yet been defined for segment type &v1&. In this
case, the system tries to use the <ZK>Seg.No.</> field as the default
selection.
In the existing case, the <ZK>Seg.No.</> field is not a part of the
PFO_S_SEGCKEYINCL DDIC structure.

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?

This is a delivery error. Contact the support at SAP for analysis and
assistance correcting the error.

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 PFO1009 - Cannot create default key for segment type &1 ?

  The SAP error message PFO1009, which states "Cannot create default key for segment type &1," typically occurs in the context of the SAP Profitability Analysis (CO-PA) module. This error indicates that the system is unable to generate a default key for a specific segment type, which can hinder the processing of profitability data.
  Causes:
  
  Missing Configuration: The segment type specified in the error message may not be properly configured in the system. This could include missing settings in the configuration for the Profitability Analysis.
  Data Inconsistencies: There may be inconsistencies or missing data in the master data or transaction data that the system relies on to create the default key.
  Authorization Issues: The user may not have the necessary authorizations to create or modify the segment type.
  System Bugs: Occasionally, this error can be caused by bugs in the SAP system or issues with the specific version of the software being used.
  
  Solutions:
  
  
  Check Configuration:
  
  Go to the configuration settings for the Profitability Analysis (Transaction code: SPRO).
  Ensure that the segment type mentioned in the error message is correctly defined and configured.
  Verify that all necessary settings related to the segment type are in place.
  
  
  
  Review Master Data:
  
  Check the master data related to the segment type. Ensure that all required fields are filled and that there are no inconsistencies.
  If applicable, review the characteristics and value fields associated with the segment type.
  
  
  
  Authorization Check:
  
  Ensure that the user encountering the error has the necessary authorizations to create or modify the segment type.
  Consult with your SAP security team to verify and adjust authorizations if needed.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the process to identify the exact point of failure. This may require the assistance of an SAP technical consultant.
  
  
  
  SAP Notes and Support:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve the issue.
  If necessary, open a support ticket with SAP for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as KE4S (for CO-PA) and SPRO (for configuration).
  Documentation: Review SAP documentation related to Profitability Analysis for best practices and configuration guidelines.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to diagnose and resolve the PFO1009 error in your SAP system.