Message type: E = Error
Message class:  IW - Order Processing 
Message number: 304
Message text: The order was created w/o reference to a notification
You tried to display the <GL:maintenance_notification>notification</>
for which the <GL:maintenance_order>maintenance order</> was created.
However, the maintenance order was created without reference to a
maintenance notification.
INCLUDE 'KEINE-FUNKTION' OBJECT DOKU ID TX LANGUAGE E
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message IW304 indicates that a maintenance order was created without a reference to a notification. This typically occurs in the context of maintenance management within SAP, where notifications are often used to initiate and document maintenance activities.
Cause: Order Creation Process: The error usually arises when a maintenance order is created directly without linking it to an existing notification. In many organizations, it is standard practice to create maintenance orders based on notifications to ensure that all relevant information is captured and tracked. Configuration Settings: The system may be configured to require a notification reference for certain types of orders, and if this requirement is not met, the error will be triggered. User Error: The user may have inadvertently skipped the step of linking the order to a notification during the order creation process.
Solution: Link to a Notification: If the order was created without a notification, you can either: Create a new notification
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