`% terraform plan
Planning failed. Terraform encountered an error while generating this plan.
╷
│ Error: Invalid provider configuration
│
│ Provider "registry.terraform.io/hashicorp/aws" requires explicit configuration. Add a provider block to the root module and configure the provider's required arguments as described in the provider documentation.
│
╵
╷
│ Error: invalid AWS Region:
│
│ with provider["registry.terraform.io/hashicorp/aws"],
│ on <empty> line 0:
│ (source code not available)
│
`