How To Fix WA878 - Event not in event queue (any longer) or already delivered

WA878 - Overview

• Message type: E = Error

• Message class: WA - Messages from Workflow Event Manager

• Message number: 878

• Message text: Event not in event queue (any longer) or already delivered

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 WA878 - Event not in event queue (any longer) or already delivered ?

  Certainly! Here's a detailed explanation of the SAP error message:
  
  SAP Error Message:
  WA878 - Event not in event queue (any longer) or already delivered
  
  
  Cause:
  This error occurs when an attempt is made to process or handle an SAP event that is no longer present in the event queue. In SAP, events are placed in an event queue and processed sequentially. If the event has already been processed (delivered) or removed from the queue, trying to access or trigger it again results in this error.
  Common scenarios causing this error include:
  
  The event was already processed by the system or another program.
  The event was removed from the queue due to timeout or system cleanup.
  A program or user tries to re-trigger or handle an event that is outdated or no longer valid.
  Synchronization issues where the event queue state is inconsistent.
  
  
  Explanation:
  SAP uses an event queue to manage asynchronous processing. Events are generated and placed in this queue,