How To Fix PO890 - External RFC call of this function is not allowed


PO890 - Overview

  • Message type: E = Error

  • Message class: PO - Spooler message

  • Message number: 890

  • Message text: External RFC call of this function is 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.



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Smart SAP Assistant

  • What is the cause and solution for SAP error message PO890 - External RFC call of this function is not allowed ?
    The SAP error message PO890, which states "External RFC call of this function is not allowed," typically occurs when there is an attempt to call a function module or method that is not designed to be executed in an external context (such as through Remote Function Call - RFC). This restriction is often in place for security or data integrity reasons.
    Causes:
    
    Function Module Restrictions: The function module you are trying to call is not marked as RFC-enabled. This means it is intended for use only within the same SAP system and cannot be called from an external system.
    Authorization Issues: The user or system making the RFC call may not have the necessary authorizations to execute the function.
    Incorrect Configuration: The RFC destination or the setup of the calling program may be misconfigured, leading to the error.
    Business Logic: The function may be designed to be executed in a specific context (like a dialog

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