How To Fix EC292 - All assigned keys are already assigned to pushbuttons

SAP Error Message - Details

• Message type: E = Error

• Message class: EC - Development environment: Menu Painter

• Message number: 292

• Message text: All assigned keys are already assigned to pushbuttons

What causes this issue?

Functions on pushbuttons must be assigned to a function key. In this
pushbutton setting, all the function keys containing a function have
already been used. Therefore, no possible entries can be displayed.

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?

Extend the function key setting to include the functions you want to
assign to the application toolbar.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EC292 - All assigned keys are already assigned to pushbuttons ?

  The SAP error message EC292, which states "All assigned keys are already assigned to pushbuttons," typically occurs in the context of SAP GUI or SAP screen design, particularly when working with function keys or pushbuttons in a custom transaction or screen.
  Cause:
  This error arises when you attempt to assign a function key or a pushbutton to a key that has already been assigned to another pushbutton or function. In SAP, each key can only be assigned to one action at a time. If you try to assign a key that is already in use, the system will throw this error.
  Solution:
  To resolve the EC292 error, you can follow these steps:
  
  
  Check Existing Assignments:
  
  Go to the screen or transaction where you are trying to assign the key.
  Review the existing pushbuttons and their assigned keys to identify any conflicts.
  
  
  
  Reassign Keys:
  
  If you find that the key you want to assign is already in use, you will need to either:
  
  Change the key assignment of the existing pushbutton to a different key.
  Remove the existing assignment if it is no longer needed.
  
  
  
  
  
  Use Unique Keys:
  
  Ensure that each pushbutton or function key has a unique assignment. This may involve re-evaluating your design to ensure that you are not trying to use the same key for multiple actions.
  
  
  
  Check for Custom Code:
  
  If you are working with custom screens or transactions, check any custom code (e.g., ABAP code) that may be manipulating key assignments. Ensure that it does not inadvertently cause conflicts.
  
  
  
  Testing:
  
  After making changes, test the screen or transaction to ensure that the error no longer occurs and that all pushbuttons function as intended.
  
  
  
  Related Information:
  
  SAP GUI Configuration: Understanding how to configure SAP GUI and screen elements can help prevent such errors in the future.
  SAP Notes: Check SAP Notes for any known issues or patches related to screen design and key assignments.
  Documentation: Refer to SAP documentation on screen programming and GUI design for best practices in key assignments.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting the SAP community for further assistance.