How To Fix KG393 - Exit number &1 cannot be used here

SAP Error Message - Details

• Message type: E = Error

• Message class: KG - CO-PA Planning

• Message number: 393

• Message text: Exit number &1 cannot be used here

What causes this issue?

The exit number &V1& belongs to the category "Functions without
reference data". Consequently, you cannot select it here.

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 this exit number under "Functions without reference data" or
select another exit number.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KG393 - Exit number &1 cannot be used here ?

  The SAP error message KG393, which states "Exit number &1 cannot be used here," typically occurs in the context of the SAP Controlling (CO) module, particularly when dealing with user exits or enhancements in the system. This error indicates that the specified exit number is not valid in the context where it is being called.
  Cause:
  
  Invalid Exit Number: The exit number specified in the error message does not exist or is not applicable in the current context.
  Incorrect Configuration: The user exit may not be properly configured or activated in the system.
  Contextual Misuse: The exit may be called in a situation where it is not intended to be used, such as in a different transaction or program.
  
  Solution:
  
  Check Exit Number: Verify that the exit number specified in the error message is correct. You can do this by checking the documentation or the SAP notes related to the specific exit.
  Review Configuration: Ensure that the user exit is properly configured and activated in the system. This may involve checking transaction codes like SMOD (for enhancements) and CMOD (for projects).
  Context Verification: Make sure that the exit is being called in the correct context. Review the program or transaction where the exit is being invoked to ensure it is appropriate.
  Consult Documentation: Refer to SAP documentation or notes for the specific exit to understand its intended use and any prerequisites.
  Debugging: If necessary, use the debugger to trace the execution and see where the exit is being called incorrectly.
  
  Related Information:
  
  User Exits: User exits are predefined points in SAP programs where you can add your own code without modifying the original program. They are often used for custom enhancements.
  Enhancement Framework: SAP provides an enhancement framework that allows for more flexible and robust customizations compared to traditional user exits.
  SAP Notes: Check SAP Notes for any known issues or updates related to the specific exit number you are dealing with. This can provide insights into any bugs or changes in behavior.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or development team for further assistance.