How To Fix MPE_OAN146 - More than one start event found in OAN &1, version &2

MPE_OAN146 - Overview

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 146

• Message text: More than one start event found in OAN &1, version &2

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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MPE_OAN146 - Details

• The SAP error message MPE_OAN146 indicates that there is an issue with the configuration of a process in the SAP system, specifically related to the presence of multiple start events in a process model. This error typically occurs in the context of SAP Process Orchestration or SAP Business Process Management (BPM).
  
  Cause:
  The error occurs when the system detects more than one start event defined in a process model (OAN) for a specific version. In BPM, a process model should have a single start event to ensure that the process can be initiated correctly. Having multiple start events can lead to ambiguity regarding which event should trigger the process.
  
  Solution:
  To resolve this error, you need to review the process model associated with the error message. Here are the steps to address the issue:
  
  
  Open the Process Model: Access the process model (OAN) in the SAP Business Process Management (BPM) tool or the relevant modeling