How To Fix CN264 - Enter a network type

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 264

• Message text: Enter a network type

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 CN264 - Enter a network type ?

  The SAP error message CN264 ("Enter a network type") 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 requires a specific type of network to be defined, but it has not been provided.
  Cause:
  The error is usually triggered when:
  
  A user attempts to create or modify a network without specifying the required network type.
  The network type field is left blank or is incorrectly filled in the relevant transaction or screen.
  The configuration settings for network types in the system may not be properly set up.
  
  Solution:
  To resolve the CN264 error, you can follow these steps:
  
  
  Check Network Type Field:
  
  Ensure that you are entering a valid network type in the relevant field. The network type is usually a predefined code that specifies the characteristics of the network (e.g., standard network, milestone network, etc.).
  
  
  
  Use the Correct Transaction:
  
  Make sure you are using the correct transaction code for creating or modifying networks (e.g., CN21 for creating a network).
  
  
  
  Review Configuration:
  
  If you have the necessary authorizations, check the configuration settings for network types in the SAP system. This can be done through the SPRO transaction (Customizing) under the Project System settings.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help files for information on valid network types and their usage.
  
  
  
  User Training:
  
  If users are frequently encountering this error, consider providing training or guidance on how to properly enter network types when creating or modifying networks.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  
  Related Information:
  
  Network Types: In SAP, network types define how a network behaves and what kind of activities it can contain. Common network types include:
  
  Standard Network
  Milestone Network
  Cost Network
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  CN21: Create Network
  CN22: Change Network
  CN23: Display Network
  
  
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address the issue.
  
  By following these steps, you should be able to resolve the CN264 error and successfully enter a network type in your SAP system.