How To Fix CN025 - Network does not contain activities

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 025

• Message text: Network does not contain activities

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN025 - Network does not contain activities ?

  The SAP error message CN025 ("Network does not contain activities") typically occurs in the context of project management and network planning within SAP, particularly when working with the Project System (PS) module. This error indicates that the network you are trying to work with does not have any activities defined, which are essential for the network to function properly.
  Causes:
  
  No Activities Defined: The most common cause is that the network has been created, but no activities have been assigned to it.
  Incorrect Network Structure: The network might be incorrectly structured, leading to a situation where activities are not linked properly.
  Deletion of Activities: Activities may have been deleted after the network was created, leaving the network without any activities.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to view or manage activities within the network.
  
  Solutions:
  
  
  Add Activities: 
  
  Go to the network in question and check if any activities are defined. If not, you can add activities by using the transaction code CN21 (Create Network) or CN22 (Change Network).
  Ensure that you define at least one activity for the network to be valid.
  
  
  
  Check Network Structure:
  
  Review the network structure to ensure that activities are properly linked. You can do this by navigating to the network and checking the activity overview.
  If activities are missing, you may need to recreate them or link existing activities to the network.
  
  
  
  Review Deletions:
  
  If activities were deleted, you may need to recreate them or restore them if possible. Check the change logs if available.
  
  
  
  Authorization Check:
  
  Ensure that you have the necessary authorizations to view and manage activities in the network. You may need to contact your SAP security administrator to verify your permissions.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for more detailed guidance on managing networks and activities within the Project System.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  CN21 - Create Network
  CN22 - Change Network
  CN23 - Display Network
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Training and Support: If you are new to SAP Project System, consider training sessions or consulting with experienced colleagues for best practices in network and activity management.
  
  By following these steps, you should be able to resolve the CN025 error and ensure that your network contains the necessary activities for proper project management.