How To Fix CN587 - You can only use an activity as a filter together with a network


CN587 - Overview

  • Message type: E = Error

  • Message class: CN - Meldungen für Netzpläne

  • Message number: 587

  • Message text: You can only use an activity as a filter together with a network

  • Show details Hide details
  • What causes this issue?

    You can only use an activity as a filter, if you also enter the
    network.

    System Response

    INCLUDE 'NA_ALLG_NOVERARBEITUNG' OBJECT DOKU ID TX

    How to fix this error?

    Enter the corresponding network number.

    Error message extract from SAP system. Copyright SAP SE.


CN587 - Details

  • The SAP error message CN587 indicates that you are trying to use an activity as a filter in a context where it is not applicable, specifically when working with a network. This error typically arises in the context of project management or network planning within SAP, particularly in the Project System (PS) module.
    
    Cause: The error occurs because: You are attempting to filter or manipulate data using an activity (which is a task or work package) in a scenario that requires a network (which is a collection of activities and their relationships). The system expects a network structure to be in place when dealing with activities, as activities are usually part of a network in project planning.
    Solution: To resolve this error, consider the following steps: Check Context: Ensure that you are in the correct context where a network is required. If you are trying to filter activities, make sure you are doing so within a network

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