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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN140 - Enter activity only together with standard network ?

  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 a standard network, you may need to create or convert it.
  
  
  Create a Standard Network: If you do not have a standard network, you can create one. Go to the transaction code CN21 (Create Network) and ensure that you define it as a standard network.
  
  
  Review Activity Assignment: Make sure that the activity you are trying to enter is appropriate for the network type you are working with. If the activity is not compatible, you may need to adjust your planning.
  
  
  Check Configuration: If you are certain that you are using a standard network and still encountering the error, check the configuration settings in the Project System. There may be settings that restrict the addition of activities under certain conditions.
  
  
  Consult Documentation: Review SAP documentation or help resources for additional context on network types and activity assignments. This can provide insights into best practices and common pitfalls.
  
  
  Seek Help from SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP support or your internal SAP team for further assistance. They may have additional tools or insights to help resolve the issue.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CN21 (Create Network), CN22 (Change Network), and CN41 (Display Network) for managing networks and activities.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Training and Documentation: Consider training sessions or documentation on SAP Project System to better understand network planning and activity management.
  
  By following these steps, you should be able to resolve the CN140 error and continue with your project planning activities in SAP.