How To Fix CMFU018 - Subscreen with items must be first subscreen with notification reference

CMFU018 - Overview

• Message type: E = Error

• Message class: CMFU - Message Class for Function Group CMFU (Confirmation)

• Message number: 018

• Message text: Subscreen with items must be first subscreen with notification reference

What causes this issue?

You want to process notification items in a screen area. However, you
have already entered a confirmation object that refers to a
notification in a screen area.

System Response

INCLUDE KEINE-FUNKTION OBJECT DOKU ID TX LANGUAGE EN
Notification items have to be the first confirmation object in the
sequence which refer to a notification, to ensure consistent
notification processing.

How to fix this error?

Change the sequence of confirmation objects which refer to a
notification in the screen areas.
The following confirmation objects refer to a notification:
Items
Tasks
Activities
Causes

Procedure for System Administrators

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message CMFU018 - Subscreen with items must be first subscreen with notification reference ?

  The SAP error message CMFU018, which states "Subscreen with items must be first subscreen with notification reference," typically occurs in the context of the SAP Plant Maintenance (PM) or Customer Service (CS) modules. This error indicates that the system expects a specific sequence of subscreens when dealing with notifications, particularly when items are involved.
  
  Cause:
  The error arises when the system encounters a notification that includes items, but the subscreen that displays these items is not the first subscreen in the sequence of screens for that notification. In SAP, the order of subscreens is important, especially when items are associated with a notification. The system expects the item subscreen to be the first one displayed to ensure that all necessary data is processed correctly.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Notification Configuration:
  
  Ensure that the configuration for the notification type is set up correctly. You may need to review