New York Flowers is required, as a condition of their contract, to supply the Super Tasty, a trendy restaurant, with 50 flower arrangements for tables and three (3) large displays, twice a week. The cost is $3,000 a week. New York Flowers and Super Tasty have a valid contract. This week, it was one table arrangements short one day and two (2) short on the other.

Briefly describe a hypothetical reason that New York Flowers and Super Tasty may not have even an enforceable contract in the first place. Please explain the relevant legal concept you select.