How To Fix /SCF/UI_SAPGUI_MESS021 - Function code &1 has been assigned several times (APPID = &2 SCRID = &3)

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCF/UI_SAPGUI_MESS -

• Message number: 021

• Message text: Function code &1 has been assigned several times (APPID = &2 SCRID = &3)

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCF/UI_SAPGUI_MESS021 - Function code &1 has been assigned several times (APPID = &2 SCRID = &3) ?

  The SAP error message /SCF/UI_SAPGUI_MESS021 indicates that a function code has been assigned multiple times within the same application context. This can lead to conflicts or unexpected behavior in the SAP GUI interface.
  Cause:
  The error typically arises from the following scenarios:
  
  Duplicate Function Code Assignment: The same function code is assigned to multiple UI elements (like buttons or menu items) within the same application.
  Configuration Issues: There may be issues in the configuration of the application where the function codes are defined.
  Development Errors: If custom development has been done, it may lead to unintentional duplication of function codes.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify Duplicates:
  
  Check the application configuration to identify where the function code is being assigned multiple times. This can often be done by reviewing the application’s UI configuration or the relevant transaction codes.
  
  
  
  Remove Duplicates:
  
  Once identified, remove or modify the duplicate assignments. Ensure that each function code is unique within the context of the application.
  
  
  
  Review Custom Code:
  
  If there is custom development involved, review the code to ensure that function codes are not being assigned multiple times inadvertently.
  
  
  
  Testing:
  
  After making changes, test the application thoroughly to ensure that the error is resolved and that the application behaves as expected.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific application or module you are working with for any additional guidance.
  
  
  
  Related Information:
  
  Application ID (APPID): This is the identifier for the application where the error occurred.
  Screen ID (SCRID): This is the identifier for the specific screen within the application context.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  If the issue persists after following these steps, consider reaching out to SAP support or consulting with a technical expert who specializes in SAP UI development.