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
You can only use an activity as a filter, if you also enter the
network.
INCLUDE 'NA_ALLG_NOVERARBEITUNG' OBJECT DOKU ID TX
Enter the corresponding network number.
Error message extract from SAP system. Copyright SAP SE.
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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