How To Fix 63404 - Event $ is being processed by $

SAP Error Message - Details

• Message type: E = Error

• Message class: 63 - Messages for Real Estate Management

• Message number: 404

• Message text: Event $ is being processed by $

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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Smart SAP Assistant

• What is the cause and solution for SAP error message 63404 - Event $ is being processed by $ ?

  The SAP error message "63404 Event $ is being processed by $?" typically indicates that a specific event in the system is currently being processed by another user or session. This can occur in various scenarios, such as when multiple users attempt to execute the same transaction or process simultaneously, leading to a lock situation.
  Cause:
  
  Concurrent Processing: The event or transaction is already being processed by another user or session.
  Lock Mechanism: SAP uses a locking mechanism to prevent data inconsistencies. If one user is processing an event, other users will be blocked from processing the same event until the first user completes their action.
  Long-Running Transactions: If a transaction takes a long time to complete, it can lead to other users encountering this error while trying to access the same event.
  
  Solution:
  
  Wait and Retry: If the event is being processed by another user, you may need to wait until that user completes their transaction. After some time, try to execute the transaction again.
  Identify the Lock: Use transaction codes like SM12 (to view locks) or SM21 (to check system logs) to identify which user or session is holding the lock on the event.
  Contact the User: If you can identify the user who is processing the event, you may want to contact them to see if they can complete their transaction more quickly.
  Terminate the Session: If the session holding the lock is no longer active or is stuck, a system administrator may need to terminate that session using transaction SM50 or SM66.
  Review System Performance: If this error occurs frequently, it may be worth reviewing the system performance and transaction design to ensure that long-running processes are optimized.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12, SM21, SM50, and SM66 for monitoring locks and sessions.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Training: Ensure that users are trained on how to handle concurrent processing scenarios to minimize the occurrence of this error.
  
  If the problem persists after trying the above solutions, it may be necessary to consult with your SAP Basis team or SAP support for further assistance.