How To Fix WA801 - ----------------------Messages event queue-------------------------

SAP Error Message - Details

• Message type: E = Error

• Message class: WA - Messages from Workflow Event Manager

• Message number: 801

• Message text: ----------------------Messages event queue-------------------------

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message WA801 - ----------------------Messages event queue------------------------- ?

  The SAP error message WA801 with the text "Messages event queue" typically relates to issues in the message/event handling system within SAP. Here's a detailed explanation of the cause, solution, and related information:
  
  SAP Error Message: WA801 — Messages event queue
  
  Cause:
  
  The WA801 message usually indicates that there is a problem with the event/message queue in the SAP system.
  This can happen when the system's event queue is full, blocked, or not being processed correctly.
  It may occur during asynchronous processing or when background jobs or update tasks are waiting for events/messages to be processed.
  Possible reasons include:
  
  A stuck or long-running process that is not clearing the event queue.
  System overload or resource bottlenecks causing delays in event processing.
  Configuration issues related to the message/event handling.
  Problems with the update task or enqueue server.
  
  
  
  
  Solution:
  
  
  Check the Event Queue Status:
  
  Use transaction SMQ1 (Outbound Queue) and SMQ2 (Inbound Queue) to check for stuck queues.
  If queues are stuck, try to release or restart them.
  
  
  
  Monitor Update Tasks:
  
  Use transaction SM13 to check for update errors.
  If update tasks are stuck, investigate and resolve the underlying issues.
  
  
  
  Check Background Jobs:
  
  Use transaction SM37 to check for background jobs related to event processing.
  Restart or reschedule jobs if necessary.
  
  
  
  System Resources:
  
  Check system load and resource utilization (CPU, memory).
  If the system is overloaded, consider optimizing or increasing resources.
  
  
  
  Restart Relevant Services:
  
  Sometimes restarting the enqueue server or update task can clear the event queue.
  Use transaction SM12 to check for locked entries and release if appropriate.
  
  
  
  Review Application Logs:
  
  Use transaction SLG1 to check application logs for related errors or warnings.
  
  
  
  SAP Notes and Support:
  
  Search for SAP Notes related to WA801 for specific patches or fixes.
  If the problem persists, consider raising a support ticket with SAP.
  
  
  
  
  Related Information:
  
  Event Queue: SAP uses event queues to handle asynchronous communication between different processes or systems.
  Update Task: Critical for processing database updates asynchronously; issues here can cause event queue problems.
  Enqueue Server: Manages locks in SAP; problems here can cause system-wide blocking.
  Transactions:
  
  SMQ1 / SMQ2: Monitor and manage queues.
  SM13: Update task monitoring.
  SM12: Lock entries.
  SM37: Background job monitoring.
  SLG1: Application log.
  
  
  
  
  Summary:
  The WA801 message indicates a problem with the SAP message/event queue, often due to stuck queues, update task issues, or system resource problems. The solution involves checking and clearing queues, monitoring update tasks and background jobs, ensuring system resources are adequate, and possibly restarting relevant services.
  
  If you provide more context (e.g., when the error occurs, system version), I can help with more specific guidance.