How To Fix 37270 - Function type "Local GUI function" not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: 37 - Screen Painter

• Message number: 270

• Message text: Function type "Local GUI function" not allowed

What causes this issue?

You tried to assign function type P "Local GUI function" to a function.
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System Response

The system cannot assign the function type.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

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 37270 - Function type "Local GUI function" not allowed ?

  The SAP error message "37270 Function type 'Local GUI function' not allowed" typically occurs when there is an attempt to use a function module or method that is designed to interact with the local GUI (Graphical User Interface) in a context where it is not permitted. This often happens in background processing or in environments where the GUI is not available, such as in batch jobs or remote function calls (RFC).
  Cause:
  
  Context Misalignment: The function module or method is intended for use in a dialog (interactive) session but is being called in a non-dialog context (e.g., background job, RFC).
  Function Module Restrictions: Some function modules are specifically designed to work with the SAP GUI and cannot be executed in a background processing environment.
  Incorrect Program Logic: The program logic may inadvertently call a GUI-specific function when it should be using a different approach.
  
  Solution:
  
  Identify the Function: Check the function module or method that is causing the error. You can do this by looking at the stack trace or logs to find out which function is being called.
  Use Alternative Functions: If the function is not suitable for background processing, look for alternative function modules or methods that are designed for background execution or that do not require GUI interaction.
  Modify Program Logic: Adjust the program logic to ensure that GUI-specific functions are only called in appropriate contexts (i.e., only in dialog sessions).
  Testing: After making changes, thoroughly test the program in both dialog and background processing scenarios to ensure that it behaves as expected.
  
  Related Information:
  
  SAP Documentation: Refer to the SAP Help Portal or the specific documentation for the function module to understand its intended use and restrictions.
  SAP Notes: Check for any relevant SAP Notes that may address this issue or provide guidance on best practices for using GUI functions.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can provide insights or solutions.
  
  By following these steps, you should be able to resolve the error and ensure that your program runs smoothly in the intended context.