How To Fix CN467 - Network &1 is already being used in the subnetwork hierarchy

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 467

• Message text: Network &1 is already being used in the subnetwork hierarchy

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CN467 - Network &1 is already being used in the subnetwork hierarchy ?

  The SAP error message CN467 indicates that a network (or activity) is already being used in a subnetwork hierarchy, which means that the system is trying to assign a network that is already part of another network structure. This can occur in project systems or when dealing with network planning in SAP.
  Cause:
  
  Duplicate Assignment: The network you are trying to assign is already assigned to another subnetwork or project.
  Hierarchy Conflicts: The network structure does not allow for the same network to be part of multiple hierarchies simultaneously.
  Incorrect Configuration: There may be configuration issues in the project or network settings that prevent the assignment.
  
  Solution:
  
  Check Network Assignment: Verify if the network is already assigned to another project or subnetwork. You can do this by checking the network details in the SAP system.
  Remove Existing Assignment: If the network is indeed assigned elsewhere and you need to use it in a new context, you may need to remove it from the existing assignment first.
  Create a New Network: If the network needs to be unique for the new project or subnetwork, consider creating a new network instead of reusing the existing one.
  Consult Documentation: Review the project documentation or SAP help resources for specific guidelines on network assignments and hierarchies.
  Check Authorizations: Ensure that you have the necessary authorizations to make changes to network assignments.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like CN21 (Create Network), CN22 (Change Network), and CN43N (Display Network) to manage networks.
  SAP Notes: Check SAP Notes for any known issues or patches related to network assignments.
  Project System Configuration: Review the configuration settings in the Project System (PS) module to ensure that the network hierarchy is set up correctly.
  User Forums: Consider visiting SAP community forums or user groups for additional insights and solutions from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant who specializes in SAP Project Systems.