How To Fix /SMB/ATC_ERROR018 - Execution of function not allowed


SAP Error Message - Details

  • Message type: E = Error

  • Message class: /SMB/ATC_ERROR -

  • Message number: 018

  • Message text: Execution of function not allowed

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  • 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.

    Unfortunately, there isn't any extra information in this error notice.



    What else can you do?

    First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

    Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

    You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.


Smart SAP Assistant

  • What is the cause and solution for SAP error message /SMB/ATC_ERROR018 - Execution of function not allowed ?

    The SAP error message /SMB/ATC_ERROR018 Execution of function not allowed typically occurs in the context of the SAP Application Toolset (ATC) or when executing certain functions that are restricted due to authorization issues or system settings.

    Cause:

    1. Authorization Issues: The user executing the function may not have the necessary authorizations to perform the action. This is common in environments with strict role-based access control.
    2. System Settings: Certain functions may be disabled in the system configuration, either for security reasons or due to system settings that restrict execution.
    3. Functionality Restrictions: The function being called may be restricted in the context of the current transaction or user role.

    Solution:

    1. Check Authorizations:

      • Verify that the user has the necessary authorizations to execute the function. This can be done by checking the user's roles and authorizations in transaction SU01 or PFCG.
      • If the user lacks the required authorizations, you may need to assign the appropriate roles or permissions.
    2. Review System Configuration:

      • Check the system settings to ensure that the function is not disabled. This may involve consulting with your SAP Basis or security team to review configuration settings.
      • Look for any specific settings related to the ATC or the function in question.
    3. Consult Documentation:

      • Review SAP documentation or notes related to the specific function or error message. This can provide insights into known issues or additional configuration steps that may be required.
    4. Contact SAP Support:

      • If the issue persists after checking authorizations and system settings, consider reaching out to SAP Support for further assistance. They may provide patches or additional guidance based on the specific context of the error.

    Related Information:

    • Transaction Codes: Familiarize yourself with relevant transaction codes such as SU01 (User Maintenance), PFCG (Role Maintenance), and ATC (ABAP Test Cockpit) for managing authorizations and configurations.
    • SAP Notes: Search for SAP Notes related to the error message or the specific function you are trying to execute. This can provide additional context or solutions.
    • User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, providing insights or solutions from other users' experiences.

    By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.

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