Erro no comando Terraform apply

Quando dou o comando terraform apply ele gera esse erro

Arquivo main.tf

provider "aws" {
  version = "~> 3.0"
  region = "us-east-1"
}

resource "aws_instance" "dev" {
  count = 3
  ami = "ami-0747bdcabd34c712a"
  instance_type = "t2.micro"
  key_name = "terraform-aws"
  tags = {
    Name = "dev${count.index}"
  }
}

Erro

│ Error: Error launching source instance: VPCIdNotSpecified: No default VPC for this user. GroupName is only supported for EC2-Classic and default VPC.
│       status code: 400, request id: 6a5d7e3e-caf9-4780-91e5-107ac25552c6
│
│   with aws_instance.dev_tiago[1],
│   on main.tf line 6, in resource "aws_instance" "dev":
│    6: resource "aws_instance" "dev" {