How To Fix CN812 - Activity & does not exist in network &

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 812

• Message text: Activity & does not exist in 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 CN812 - Activity & does not exist in network & ?

  The SAP error message CN812 indicates that the system cannot find the specified activity in the network. This typically occurs in the context of project management or network planning within SAP, particularly when dealing with networks and activities in the Project System (PS) module.
  Cause:
  
  Incorrect Activity Number: The activity number you are trying to reference may not exist in the specified network.
  Network Deletion: The network or activity may have been deleted or not yet created.
  Authorization Issues: You may not have the necessary authorizations to view or access the specified activity.
  Data Inconsistency: There may be inconsistencies in the data, such as missing entries in the database.
  Incorrect Network Assignment: The activity may not be assigned to the correct network.
  
  Solution:
  
  Verify Activity Number: Check the activity number you are trying to access. Ensure that it is correct and exists in the network.
  Check Network Status: Ensure that the network is active and that the activity has not been deleted or is in a status that prevents access.
  Review Authorizations: Ensure that you have the necessary authorizations to access the network and its activities. You may need to contact your SAP security administrator.
  Recreate Activity: If the activity is missing, you may need to recreate it in the network.
  Check Network Assignment: Ensure that the activity is correctly assigned to the intended network. You can do this by navigating to the network and reviewing its activities.
  Use Transaction Codes: Use transaction codes like CN21 (Create Network), CN22 (Change Network), or CN03 (Display Network) to manage and verify network activities.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP Project System (PS) for managing networks and activities.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Refer to SAP documentation for detailed information on network and activity management in the Project System module.
  Support: If the issue persists, consider reaching out to SAP support or your internal IT support team for further assistance.
  
  By following these steps, you should be able to identify the cause of the CN812 error and implement a solution.