Duplicate name show in Dropdown of Get Item from on Sales Invoice

ERPNext
1

ERPNext: v12.11.1 (version-12)
Frappe Framework: v12.9.0 (version-12)

I have created 2 Sales Order and Posted 1 Delivery against it. Now when I go to Sales Invoice + from Customer Screen and pressed Get Item from, there are duplicate names found of Sales Order and Delivery Note.

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