How To Fix IW478 - One or more maintenance items do not have packages assigned to them yet

SAP Error Message - Details

• Message type: E = Error

• Message class: IW - Order Processing

• Message number: 478

• Message text: One or more maintenance items do not have packages assigned to them yet

What causes this issue?

The task list contains one or more maintenance items that do not have a
package assigned to them.

How to fix this error?

Change the task list so that all the maintenance items have a
maintenance package assigned to them.

Procedure for System Administrators

It was configured in Customizing that this message should be issued.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

If you want to use task lists without package assignments, you need to
modify the message type for this message in Customizing. You can modify
the message type in the Customizing activity Message Control under
'Maintenance and Service Orders'.
If you do not make any changes, message type 'I' is used.
Message types 'E', 'X', and 'P' are interpreted as message type 'E'.
Message types 'I', 'S', and 'W' are interpreted accordingly.
If the message type is 'initial', it is still possible to do the
following without having a message appear: You can save task lists that
have items without package assignments. You can include items without
package assignments in a task list that already has at least one item
with a package assignment. Otherwise, message IP364 is issued, just as
usual.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IW478 - One or more maintenance items do not have packages assigned to them yet ?

  The SAP error message IW478 indicates that one or more maintenance items in a work order or maintenance plan do not have packages assigned to them. This can occur in the context of SAP Plant Maintenance (PM) when you are trying to execute or process maintenance tasks that require specific packages for execution.
  
  Cause:
  The primary cause of this error is that the maintenance items (such as tasks or operations) associated with a work order or maintenance plan have not been assigned to any packages. Packages in SAP PM are used to group maintenance tasks for execution, and if they are not assigned, the system cannot process the maintenance items correctly.
  
  Solution:
  To resolve the IW478 error, you can follow these steps:
  
  
  Check Maintenance Items: 
  
  Go to the work order or maintenance plan in question and review the maintenance items listed.
  Identify which maintenance items do not have packages assigned.
  
  
  
  Assign Packages:
  
  For each maintenance item that lacks