Insufficiency

The drought led to an insufficiency of food.

Near-synonyms: deficiency (broadly synonymous), inadequacy

The troops went hungry because of the insufficiency of their supplies.

She may crowd her days with gaiety, variety, and what are called amusements; she will do so only to find their insufficiency.

On a recent trip down the Rhine many of the trains we saw were still steam-hauled, presumably through an insufficiency of electric locomotives, as yet, to deal with peak summer traffic.