How To Fix EC148 - Do not assign the function key & to the first pushbutton

SAP Error Message - Details

• Message type: E = Error

• Message class: EC - Development environment: Menu Painter

• Message number: 148

• Message text: Do not assign the function key & to the first pushbutton

What causes this issue?

The first pushbutton contains a function which should not appear in the
first position, according to the standards.

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?

In dialog boxes, the first pushbutton should trigger the same function
as the ENTER key.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EC148 - Do not assign the function key & to the first pushbutton ?

  The SAP error message EC148, which states "Do not assign the function key & to the first pushbutton," typically occurs in the context of SAP GUI programming, particularly when dealing with screen elements in a dialog program or module pool.
  Cause:
  This error arises when a function key (like F1, F2, etc.) is incorrectly assigned to the first pushbutton on a screen. In SAP GUI, the first pushbutton is expected to be associated with the default action, which is usually linked to the Enter key. Assigning a function key to this button can lead to confusion in user interactions, as the system expects the first button to handle the primary action.
  Solution:
  To resolve this error, you should:
  
  
  Check the Screen Layout: Open the screen in the Screen Painter (SE80 or SE41) and review the properties of the pushbuttons.
  
  
  Modify Pushbutton Properties: Ensure that the first pushbutton does not have a function key assigned to it. You can do this by:
  
  Selecting the pushbutton in the Screen Painter.
  Going to the properties of the pushbutton.
  Removing any function key assignment (like F1, F2, etc.) from the "Function Code" field.
  
  
  
  Reassign Function Keys: If you need to use function keys, assign them to other pushbuttons that are not the first one.
  
  
  Test the Changes: After making the changes, activate the screen and test it to ensure that the error message no longer appears and that the functionality works as expected.
  
  
  Related Information:
  
  SAP GUI Programming: Understanding how SAP GUI handles screen elements and user interactions is crucial. The first pushbutton is typically linked to the Enter key, which is a standard user interface design principle.
  Function Codes: Familiarize yourself with how function codes work in SAP. Each button can have a function code that determines its action when clicked or when a corresponding function key is pressed.
  SAP Notes and Documentation: If you encounter persistent issues, consider checking SAP Notes or the official SAP documentation for any updates or additional guidelines related to screen programming.
  
  By following these steps, you should be able to resolve the EC148 error and ensure that your SAP application behaves as intended.