Answer:
A bilateral mistake
Step-by-step explanation:
The mistakes of fact
This simply occurs in two forms. They are:
1. bilateral
2. Unilateral
Unilateral mistake of fact
This is simply said to happen if and only when one party is mistaken. This form of mistake of fact makes contract voidable.
Bilateral Mistake of facts
This form of mistake usually involves both parties. It is simply called a mutual mistake. This is also defined as mutual omissions or misunderstanding on simple assumption on which the contract was made.