How To Fix MPE_OAN017 - Catalog operation activity network &1 has already been released

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 017

• Message text: Catalog operation activity network &1 has already been released

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_OAN017 - Catalog operation activity network &1 has already been released ?

  The SAP error message MPE_OAN017 indicates that a catalog operation activity network (in this case, identified by the network number &1) has already been released. This typically occurs in the context of project management or operations where activities are being managed through networks.
  Cause:
  The error arises when there is an attempt to perform an operation (such as editing, deleting, or changing the status) on a network that has already been released. In SAP, once a network is released, it is generally locked for further changes to ensure data integrity and consistency in project execution.
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check Network Status: Verify the status of the network in question. You can do this by navigating to the relevant transaction (e.g., CN21 for creating networks or CN22 for changing networks) and checking the status of the network.
  
  
  Revoke Release: If changes are necessary, you may need to revoke the release of the network. This can typically be done through the transaction code CN22 (Change Network) where you can set the status back to a modifiable state, if your user permissions allow it.
  
  
  Consult with Project Manager: If you do not have the necessary permissions to change the status, consult with your project manager or the person responsible for project management in your organization. They may need to take action or provide guidance on how to proceed.
  
  
  Review Documentation: Check the project documentation or SAP notes related to network management for any specific guidelines or procedures that your organization follows.
  
  
  SAP Support: If the issue persists or if you believe it is a system error, consider reaching out to SAP support for further assistance. They may provide patches or additional insights based on the specific version of SAP you are using.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CN21 (Create Network), CN22 (Change Network), and CN23 (Display Network).
  User Permissions: Ensure that you have the appropriate permissions to make changes to networks. This may involve roles related to project management or operations.
  SAP Notes: Search for SAP Notes related to MPE_OAN017 for any specific fixes or updates that may address this error.
  Training: If you frequently encounter issues with network management, consider additional training on SAP Project System (PS) or Operations Management modules.
  
  By following these steps, you should be able to address the error and understand the context in which it occurs.