How To Fix MPE_OAN009 - No end event exists in this operation activity network

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 009

• Message text: No end event exists in this operation activity 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_OAN009 - No end event exists in this operation activity network ?

  The SAP error message MPE_OAN009 indicates that there is no end event defined in the operation activity network for a specific operation. This error typically arises in the context of project management or production planning within SAP, particularly when dealing with networks and activities in the Project System (PS) or Production Planning (PP) modules.
  Cause:
  The error occurs due to one of the following reasons:
  
  Missing End Event: The operation activity network does not have a defined end event, which is necessary for the system to understand when the operation is completed.
  Incorrect Configuration: The configuration of the network or the operation may be incorrect, leading to the absence of an end event.
  Data Entry Error: There may have been an oversight during the creation or modification of the operation activity network, resulting in the omission of the end event.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check the Operation Activity Network:
  
  Navigate to the operation activity network in question.
  Verify that an end event is defined for the operation. If it is missing, you will need to add it.
  
  
  
  Add an End Event:
  
  If the end event is indeed missing, you can add it by:
  
  Going to the network in the Project System or Production Planning module.
  Selecting the operation and then adding the appropriate end event.
  
  
  
  
  
  Review Configuration:
  
  Ensure that the configuration settings for the network and operations are correct. This may involve checking the settings in the customizing (SPRO) area of SAP.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for guidance on how to properly set up operation activity networks and ensure that all necessary components, including end events, are included.
  
  
  
  Testing:
  
  After making the necessary changes, test the operation again to ensure that the error has been resolved.
  
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like CN21 (Create Network) or CN22 (Change Network) to manage networks and operations.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  User Roles: Ensure that you have the appropriate permissions to make changes to the operation activity network.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant who specializes in SAP PS or PP modules for further assistance.