How To Fix MPE_OAN023 - Target operation activity network &1 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 023

• Message text: Target operation activity network &1 does not exist

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_OAN023 - Target operation activity network &1 does not exist ?

  The SAP error message MPE_OAN023 indicates that the target operation activity network specified in your transaction does not exist. This error typically occurs in the context of project management or production planning when the system is unable to find the specified network for an operation.
  Cause:
  
  Incorrect Network ID: The network ID you are trying to reference may be incorrect or mistyped.
  Network Not Created: The network may not have been created yet in the system.
  Network Deleted: The network might have been deleted or archived.
  Authorization Issues: You may not have the necessary authorizations to view or access the specified network.
  Data Consistency Issues: There could be inconsistencies in the database or issues with the data integrity.
  
  Solution:
  
  Verify Network ID: Check the network ID you are using to ensure it is correct. You can do this by navigating to the relevant transaction (e.g., CN21 for creating networks) and confirming the ID.
  Create the Network: If the network does not exist, you will need to create it using the appropriate transaction (e.g., CN21 for creating a network).
  Check Deletion/Archiving: If the network was deleted or archived, you may need to restore it or create a new one.
  Authorization Check: Ensure that you have the necessary authorizations to access the network. You may need to contact your SAP security administrator for assistance.
  Data Consistency Check: Run consistency checks or consult with your SAP Basis team to ensure that there are no underlying database issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CN21 (Create Network), CN22 (Change Network), and CN23 (Display Network).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation related to project systems and network management for additional context and troubleshooting steps.
  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 error and implement a solution.