How To Fix CN774 - Network could not be classified

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 774

• Message text: Network could not be classified

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 CN774 - Network could not be classified ?

  The SAP error message CN774, which states "Network could not be classified," typically occurs in the context of project management and network planning within the SAP system, particularly in the Project System (PS) module. This error indicates that the system is unable to determine the classification of a network due to missing or incorrect data.
  Causes:
  
  Missing Classification Data: The network may not have the necessary classification data assigned to it, which is required for the system to process it correctly.
  Incorrect Configuration: There may be issues with the configuration settings in the project system that prevent the network from being classified.
  Data Inconsistencies: Inconsistencies in the master data or transaction data related to the network can lead to this error.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to view or classify the network.
  
  Solutions:
  
  Check Network Data: Review the network details to ensure that all required fields are filled out correctly. Pay special attention to the classification data.
  Review Configuration Settings: Check the configuration settings in the Project System to ensure that they are set up correctly for network classification.
  Data Consistency Check: Run consistency checks on the project and network data to identify any inconsistencies that may be causing the issue.
  Authorization Check: Ensure that the user has the necessary authorizations to access and classify the network. If not, contact your SAP security administrator to grant the required permissions.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on network classification and any related configuration settings.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like CJ20N (Project Builder) or CN21 (Create Network) to review and manage networks.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide patches or updates that could resolve the issue.
  Support: If the problem persists, consider reaching out to SAP support or your internal SAP support team for further assistance.
  
  By following these steps, you should be able to identify the cause of the CN774 error and implement a solution to resolve it.