How To Fix MPE_OAN043 - No end event is defined for operation activity network &1

MPE_OAN043 - Overview

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 043

• Message text: No end event is defined for operation activity network &1

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.

MPE_OAN043 - Details

• The SAP error message MPE_OAN043 indicates that there is no end event defined for an operation activity network in the system. This typically occurs in the context of project management or production planning where operations are defined in a network structure.
  
  Cause:
  The error is caused by the absence of an end event in the operation activity network. In SAP, an operation activity network is a sequence of activities that are linked together, and each network must have a defined start and end event to ensure that the flow of operations is correctly managed. If the end event is missing, the system cannot process the network correctly, leading to this error message.
  
  Solution:
  To resolve this error, you need to define an end event for the operation activity network. Here are the steps you can follow:
  
  
  Access the Network: Go to the transaction code CN21 (Create Network) or CN22 (Change Network) in SAP.
  
  
  Locate the Network: