How To Fix CN040 - Enter a standard network or network

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 040

• Message text: Enter a standard network or network

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 CN040 - Enter a standard network or network ?

  The SAP error message CN040 ("Enter a standard network or network") typically occurs in the context of project management or network planning within the SAP system, particularly when working with the Project System (PS) module. This error indicates that the system expects you to enter a valid network or standard network, but the input provided is either missing or incorrect.
  Cause:
  
  Missing Input: The user did not enter a network or standard network number in the relevant field.
  Invalid Network: The entered network number does not exist in the system or is not valid for the current project.
  Authorization Issues: The user may not have the necessary authorizations to view or access the specified network.
  Incorrect Transaction: The transaction being executed may not be appropriate for the context of the entered data.
  
  Solution:
  
  Check Input: Ensure that you have entered a valid network or standard network number. Verify that the number exists in the system.
  Use F4 Help: Utilize the F4 help (search help) feature in the input field to find and select a valid network or standard network.
  Verify Authorizations: Check if you have the necessary authorizations to access the network. If not, contact your SAP security administrator.
  Correct Transaction: Ensure that you are using the correct transaction code for the operation you are trying to perform. If you are unsure, consult your SAP documentation or support team.
  Consult Documentation: Review the relevant SAP documentation or user manuals for guidance on the specific transaction or process you are working with.
  
  Related Information:
  
  
  Transaction Codes: Common transaction codes related to networks in SAP PS include:
  
  CN21: Create Standard Network
  CN22: Change Standard Network
  CN23: Display Standard Network
  CN01: Create Network
  CN02: Change Network
  CN03: Display Network
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message CN040. You can search for relevant notes in the SAP Support Portal.
  
  
  Training and Documentation: If you are new to SAP Project System, consider undergoing training or reviewing documentation to better understand how networks and standard networks function within the system.
  
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to your SAP support team for further assistance.