How To Fix EZ451 - User exits exist although no exit include is specified

EZ451 - Overview

• Message type: E = Error

• Message class: EZ - Print workbench

• Message number: 451

• Message text: User exits exist although no exit include is specified

What causes this issue?

You have named user exits in your application form, but you have not
specified an exit include.

System Response

The application form cannot be activated.

How to fix this error?

Enter a name for the exit include in the attributes of the application
form. Alternatively, delete all the user exits in the form levels.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EZ451 - User exits exist although no exit include is specified ?

  The SAP error message EZ451 indicates that there are user exits defined in the system, but the program or function module does not include the necessary exit include to utilize those exits. This can lead to confusion, as the system recognizes that user exits are available but cannot execute them because they are not properly included in the code.
  
  Cause:
  
  Missing Include Statement: The most common cause of this error is that the program or function module does not include the necessary exit include file where the user exits are defined.
  Incorrect Configuration: Sometimes, the configuration of the user exits may not be set up correctly, leading to this error.
  Development Errors: If a developer has created a custom program or modified an existing one without including the necessary user exit includes, this error can occur.
  
  
  Solution:
  
  
  Include the User Exit: 
  
  Identify the user exit that is relevant to your program or function module. This can