Has your store imported a large number of POS orders and Auto-Deducted them unexpectedly? You can safely void these shipments from your shipments tab to restore the inventory accountably.
Open your Shipments page.
Change your filters to show "Manual Pickup" shipments.
Change your date range to the dates affected.
Select all orders which are Auto-Deduct or mistaken bulk deduct or manual shipments.
Select Actions, then Void shipments.
All inventory will be restored to their original locations.