How To Fix CN022 - Subnetwork number is identical to network number

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 022

• Message text: Subnetwork number is identical to network number

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 CN022 - Subnetwork number is identical to network number ?

  The SAP error message CN022 ("Subnetwork number is identical to network number") typically occurs in the context of project systems or network planning within SAP. This error indicates that there is a conflict between the subnetwork number and the network number, meaning that they are the same, which is not allowed in the system.
  Cause:
  
  Configuration Error: The subnetwork number has been mistakenly set to be the same as the network number during the creation or modification of a network.
  Data Entry Mistake: When entering data for a network or subnetwork, the user may have inadvertently entered the same number for both fields.
  System Logic: The system logic requires that a subnetwork must be a distinct entity from its parent network.
  
  Solution:
  
  
  Check Network and Subnetwork Configuration:
  
  Go to the transaction code CN22 (Change Network) or CN01 (Create Network) in SAP.
  Review the network and subnetwork numbers to ensure they are distinct.
  If they are the same, change the subnetwork number to a unique value that does not conflict with the network number.
  
  
  
  Review Project Structure:
  
  Ensure that the project structure is correctly defined and that subnetworks are properly assigned to their respective networks.
  If necessary, create a new subnetwork with a different number.
  
  
  
  Data Validation:
  
  Implement validation checks in your data entry processes to prevent this error from occurring in the future.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help files for additional guidance on network and subnetwork configurations.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CN01 (Create Network), CN02 (Change Network), and CN03 (Display Network).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles and Permissions: Ensure that users have the appropriate roles and permissions to create and modify networks and subnetworks.
  
  By following these steps, you should be able to resolve the CN022 error and ensure that your network and subnetwork configurations are correctly set up in SAP.