How To Fix MPE_OAN044 - No predecessor element is allowed for start event &1 (OAN &2)

MPE_OAN044 - Overview

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 044

• Message text: No predecessor element is allowed for start event &1 (OAN &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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_OAN044 - No predecessor element is allowed for start event &1 (OAN &2) ?

  The SAP error message MPE_OAN044 indicates that there is an issue with the configuration of a process in the SAP system, specifically related to a start event in a process chain or workflow. The message states that no predecessor element is allowed for the specified start event.
  
  Cause:
  The error typically arises when:
  
  Incorrect Process Configuration: The start event is incorrectly configured to have a predecessor. In SAP process chains or workflows, a start event should not have any predecessor elements.
  Process Chain Structure: The structure of the process chain may be incorrectly defined, leading to a situation where the system expects a predecessor for a start event.
  Data Integrity Issues: There may be inconsistencies or errors in the data or configuration that lead to this situation.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Process Chain Configuration:
  
  Open the process chain in the SAP GUI.
  Verify that the start event does not have any predecessor