The system says it’s there. The shelf says otherwise. Your WMS says you have 48 units on hand. You send a picker to lane 7, rack C, and they come back with 11 units, a busted pallet, and a look on their face that says they are not surprised. The system was wrong. Again. Ghost inventory is stock that exists on paper and nowhere else. It accumulates quietly — a receiving team scans a carton that was short-shipped, a return gets put away but the count never gets corrected, a pic