How To Fix CN140 - Enter activity only together with standard network

CN140 - Overview

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 140

• Message text: Enter activity only together with standard network

What causes this issue?

In order to be able to search for a PS text for an activity in a
standard network, you must maintain the standard network and the
activity.

System Response

INCLUDE 'NA_ALLG_NOFUNKTION' OBJECT DOKU ID TX

How to fix this error?

Maintain the standard network as well.

Error message extract from SAP system. Copyright SAP SE.

CN140 - Details

• The SAP error message CN140 ("Enter activity only together with standard network") typically occurs in the context of project management and network planning within the SAP system, particularly when working with the Project System (PS) module. This error indicates that an activity is being entered in a context where it is not valid, specifically when the system expects a standard network.
  
  Cause:
  The error arises when:
  
  You are trying to enter an activity in a network that is not defined as a standard network.
  The system requires that activities be linked to a standard network for proper planning and execution.
  There may be inconsistencies in the network structure or configuration that prevent the activity from being added.
  
  
  Solution:
  To resolve the CN140 error, you can take the following steps:
  
  
  Check Network Type: Ensure that you are working with a standard network. You can do this by checking the network type in the network overview. If it is not