How To Fix CN510 - Standard network alternative "&" "&" not yet released

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 510

• Message text: Standard network alternative "&" "&" not yet released

What causes this issue?

The standard network alternative you selected has not yet been released
according to its status.

System Response

Nevertheless you can create a network by copying the standard network.

How to fix this error?

If necessary, change the status in the standard network.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN510 - Standard network alternative "&" "&" not yet released ?

  The SAP error message CN510 indicates that a standard network alternative has not yet been released. This typically occurs in the context of project management and network planning within SAP, particularly in the Project System (PS) module.
  Cause:
  The error message CN510 usually arises due to one of the following reasons:
  
  
  Network Not Released: The network or the specific alternative you are trying to work with has not been released. In SAP, a network must be released before it can be used for further processing, such as scheduling or costing.
  
  
  Incorrect Status: The network might be in a status that does not allow for certain operations. For example, it could be in a "created" or "in process" status rather than "released."
  
  
  Authorization Issues: There may be authorization issues preventing the user from releasing the network or accessing the necessary functions.
  
  
  Solution:
  To resolve the CN510 error, you can take the following steps:
  
  
  Release the Network:
  
  Navigate to the network in question using transaction code CN22 (Change Network) or CN01 (Create Network).
  Check the status of the network. If it is not released, you can release it by selecting the appropriate option (usually found in the menu under "Release").
  Ensure that all necessary components (activities, milestones, etc.) are correctly defined before releasing.
  
  
  
  Check Network Status:
  
  Use transaction code CN03 (Display Network) to view the current status of the network.
  Confirm that the network is in the correct status for the operation you are trying to perform.
  
  
  
  Authorization Check:
  
  Ensure that you have the necessary authorizations to release the network. If you suspect authorization issues, contact your SAP security administrator.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation or help files related to network management in the Project System module for additional guidance.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  CN01: Create Network
  CN02: Change Network
  CN03: Display Network
  CN22: Change Network (for releasing)
  
  
  
  Network Management: Understanding how networks and activities are structured in SAP PS is crucial. Familiarize yourself with the concepts of network planning, activity relationships, and the release process.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for relevant notes in the SAP Support Portal.
  
  
  By following these steps, you should be able to resolve the CN510 error and proceed with your project management tasks in SAP.