"Orders" Page Displays Error Instead of Order List

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Describe the bug
On the admin dashboard, the "Orders" page displays the following error instead of the order list:
Error: Cannot return null for non-nullable field User.name.
This prevents administrators from viewing and managing orders.

To Reproduce
Steps to reproduce the behavior:

Log in to the admin dashboard.
Navigate to the "Orders" page.
Observe the error message: "Error: Cannot return null for non-nullable field User.name."
Expected behavior
The orders should be displayed normally. If a user name is missing, the system should handle it gracefully instead of throwing an error that blocks the entire page.

Screenshots
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Desktop (please complete the following information):

OS: Windows 11

Browser: Chrome

Additional context
This appears to be a GraphQL issue where a null value is returned for a required field. The system should allow for null values or provide fallback handling to prevent the UI from breaking.

Start by tracing the GraphQL schema and resolver for User.name, then follow how the admin dashboard's Orders page requests and renders the order list. Reproduce the failure with an order whose user name is missing, and confirm that the order list remains usable with an explicitly agreed null or fallback behavior.

Written by the indexing model from the issue text.