00255 - Function code cannot be selected

SAP Error Message - Details

• Message type: E = Error

• Message class: 00 -

• Message number: 255

• Message text: Function code cannot be selected

What causes this issue?

You entered an inactive function code.
You can trigger this by:
inputting directly in the OK code field<(>,<)>
inputting the fastpath of an inactive menu function<(>,<)>
choosing an inactive function key, or even by
choosing ENTER, if ENTER has an inactive function.
In batch input, a function code is included in field <NP>BDC_OKCODE</>
of the session, as long as this function code is not assigned to ENTER.
As well as activating function codes statically in the Menu Painter
(Transaction SE41), they can also be deactivated dynamically using the
<NP>EXCLUDING</> addition with statement <NP>SET PF-STATUS</>.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 00255 - Function code cannot be selected ?

  The SAP error message "00255 Function code cannot be selected" typically occurs when a user tries to execute a function or transaction that is not available or not permitted in the current context. This can happen for various reasons, including authorization issues, configuration settings, or system errors.
  Causes:
  
  Authorization Issues: The user may not have the necessary authorizations to execute the function code.
  Configuration Settings: The function code may not be configured correctly in the system or may not be available in the current transaction.
  Transaction Restrictions: Certain transactions may be restricted based on user roles or profiles.
  System Errors: There may be underlying system issues or bugs that prevent the function from being executed.
  
  Solutions:
  
  
  Check Authorizations:
  
  Verify that the user has the necessary authorizations to execute the function code. This can be done by checking the user's roles and profiles in the SAP system.
  Use transaction SU53 to analyze authorization failures after the error occurs.
  
  
  
  Review Configuration:
  
  Check the configuration settings related to the function code. Ensure that it is correctly set up in the system.
  Consult with your SAP Basis or configuration team to ensure that the function code is active and available.
  
  
  
  Transaction Codes:
  
  Ensure that the transaction code you are trying to execute is valid and not restricted for your user role.
  If the function code is part of a specific transaction, ensure that you are accessing it through the correct transaction.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific details about the function code and its requirements.
  
  
  
  Contact Support:
  
  If the issue persists, consider reaching out to your SAP support team or SAP Help Desk for further assistance. They may have access to logs or additional tools to diagnose the issue.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with the transaction codes related to the function you are trying to execute.
  User Roles: Understand the roles assigned to your user profile and how they impact access to various functions.
  SAP Notes: Check SAP Notes for any known issues or patches related to the function code in question.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.