Missing required argument even during execution of `terraform plan`

[yun14u]

Describe the bug
When executing terraform plan -out main.tfplan, terraform complains about missing required argument

To Reproduce
Steps to reproduce the behavior:

1. Execute terraform -out main.tfplan using the the following main.tf
   module "condor" {
   source = "vultr/condor/vultr"
   version = "1.1.0"
   #
   cluster_vultr_api_key = "BLAHBLAH"
   provisioner_public_key = chomp(file("/home/me/keypair/id_vultr.pub"))
   cluster_name = "k8s"
   cluster_region = "ewr"
   worker_count = 2
   condor_network_subnet = "10.10.10.0"
   condor_network_subnet_mask = 26
   }

2. The following error appears

Error: Missing required argument
│
│ The argument "api_key" is required, but was not set.

According to https://registry.terraform.io/modules/vultr/condor/vultr/1.1.0?tab=inputs, the only required inputs are
cluster_vultr_api_key
provisioner_public_key

Additional context

Add any other context about the problem here.

[Oogy]

Hello @yun14u - while your module configuraiton looks correct, the error appears to indicate you've not set the Vultr Terraform provider api_key argument. Please do so as described here.