How To Fix IW721 - Processing of notification has already started

IW721 - Overview

• Message type: E = Error

• Message class: IW - Order Processing

• Message number: 721

• Message text: Processing of notification has already started

What causes this issue?

You want to create an order on the basis of a notification. This
notification is the basis of a
<DS:GLOS.497B2944482B6DBEE10000000A421391>job</>, for which processing
has already started.

System Response

Depending on your settings, the system either issues a warning or
prevents you from creating the order.

How to fix this error?

Note that the content of the task changes if an order is added. Any job
cards that have already been printed are incomplete.
&SYSTEMADMINISTRATION&
You can define the system behavior for message IW721 in Customizing for
<LS>Plant Maintenance and Customer Service</> under <LS>Maintenance and
Service Processing</> -> <LS>Maintenance and Service Orders</> ->
<LS>Message Control</>.

Error message extract from SAP system. Copyright SAP SE.

IW721 - Details

• The SAP error message IW721, which states "Processing of notification has already started," typically occurs when you attempt to change or delete a notification that is already being processed or has been locked by another user or transaction. This can happen in various scenarios, such as when a notification is being worked on in a different session or when a background job is processing the notification.
  Causes:
  
  Notification in Use: The notification is currently being edited or processed by another user or transaction.
  Background Processing: A background job is currently processing the notification.
  Locking Mechanism: SAP uses a locking mechanism to prevent multiple users from making changes to the same object simultaneously. If a lock exists, you will receive this error.
  Incomplete Transactions: If a previous transaction involving the notification was not completed properly, it may still be locked.
  
  Solutions:
  
  
  Check for Locks:
  
  Use transaction code SM12 to check for locks on the notification. You can search for