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

SAP Error Message - Details

• 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

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN587 - You can only use an activity as a filter together with a network ?

  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 structure.
  
  
  Use Network Structure: If you need to work with activities, ensure that you are referencing them within the context of a network. You may need to create or select a network that includes the activities you want to filter.
  
  
  Review Configuration: If you are customizing reports or queries, ensure that the filters you are applying are appropriate for the data structure you are working with. You may need to adjust your query to include network-related fields.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for guidance on how to properly use activities and networks in your specific scenario.
  
  
  Seek Help from SAP Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  
  Related Information:
  
  SAP Project System (PS): Understanding the structure of projects, networks, and activities in SAP PS can help you navigate and resolve issues related to project planning.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CN21 (Create Network), CN22 (Change Network), and CN41 (Network Overview) to manage networks and activities effectively.
  SAP Notes: Check for any SAP Notes related to error CN587 for specific patches or updates that may address this issue.
  
  By following these steps, you should be able to resolve the CN587 error and work effectively with activities and networks in SAP.