How To Fix CN009 - Network & does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 009

• Message text: Network & does not exist

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 CN009 - Network & does not exist ?

  The SAP error message CN009, which states "Network & does not exist," typically occurs in the context of project management or network planning within the SAP system, particularly in modules like SAP PS (Project System) or SAP PM (Plant Maintenance). This error indicates that the system cannot find the specified network in the database.
  Causes:
  
  Incorrect Network Number: The network number you are trying to access may be incorrect or mistyped.
  Network Deletion: The network may have been deleted or archived, making it unavailable for access.
  Authorization Issues: The user may not have the necessary authorizations to view or access the network.
  Data Consistency Issues: There may be inconsistencies in the database or issues with the data transport that could lead to the network not being found.
  Incorrect Project Assignment: The network may not be assigned to the project you are currently working on.
  
  Solutions:
  
  Verify Network Number: Double-check the network number you are entering to ensure it is correct.
  Check Network Status: Use transaction codes like CN21 (Create Network) or CN22 (Change Network) to see if the network exists or if it has been deleted.
  Authorization Check: Ensure that you have the necessary permissions to access the network. You may need to contact your SAP security administrator for assistance.
  Data Consistency Check: Run consistency checks or reports to identify any data issues. You can use transaction codes like CNS0 (Network Overview) to check for inconsistencies.
  Project Assignment: Ensure that the network is correctly assigned to the project you are working on. You can check this in the project definition.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  CN21 - Create Network
  CN22 - Change Network
  CNS0 - Network Overview
  CJ20N - Project Builder
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation or help files related to Project System and Network Management for further insights.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant for further investigation.