How do I... Deploy VM in existing resource group using terraform

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DevOps

I created a resource group(rg) and deployed a vm using terraform, then captured the VM. now I need to deploy a vm using that image in same rg. If I use data source I'm getting the following:Error deleting Virtual Network "xx" (Resource Group "yy"): network.VirtualNetworksClient#Delete: Failure sending request: StatusCode=400 -- Original Error: Code="InUseSubnetCannotBeDeleted" Message="Subnet xx is in use by /subscriptions/--/resourceGroups/yy/providers/Microsoft.Network/networkInterfaces/xx/ipConfigurations/internal and cannot be deleted. In order to delete the subnet, delete all the resources within the subnet.

What I have tried:

provider "azurerm" {
    version = "2.0.0"
    subscription_id = var.subscriptionID

    features {}
}
data "azurerm_resource_group" "TerraformResourceGroup" {
  name     = var.resourceGroupName
}

data "azurerm_network_security_group" "TerraformSecurityGroup" {
  name                = var.securityGroup
  resource_group_name = data.azurerm_resource_group.TerraformResourceGroup.name
}

data "azurerm_virtual_network" "TerraformVirtualNetwork" {
  name                = var.virtualNetwork
  resource_group_name = data.azurerm_resource_group.TerraformResourceGroup.name
}

data "azurerm_subnet" "TerraformSubNet" {
  name                 = var.subnet
  virtual_network_name = var.virtualNetwork
  resource_group_name  = data.azurerm_resource_group.TerraformResourceGroup.name
}

# Create public IPs
resource "azurerm_public_ip" "test" {
    name                         = var.publicIP
    location                     = "${data.azurerm_resource_group.TerraformResourceGroup.location}"
    resource_group_name          = "${data.azurerm_resource_group.TerraformResourceGroup.name}"
    allocation_method            = "Static"

}

# create a network interface
resource "azurerm_network_interface" "TerraformNetworkInterface" {
  name                = var.networkInterface
  location            = "${data.azurerm_resource_group.TerraformResourceGroup.location}"
  resource_group_name = "${data.azurerm_resource_group.TerraformResourceGroup.name}"

  ip_configuration {
    name                          = "testconfiguration1"
    subnet_id                     = "${data.azurerm_subnet.TerraformSubNet.id}"
    private_ip_address_allocation = "dynamic"
  }
}

resource "azurerm_virtual_machine" "TerraformVM" {
  name                  = var.VM
  location              = var.location
  resource_group_name   = data.azurerm_resource_group.TerraformResourceGroup.name
  network_interface_ids = [azurerm_network_interface.TerraformNetworkInterface.id]
  vm_size               = "Standard_DS1_v2"

 storage_image_reference {
    id  = "/subscriptions/8590994a-edee-4eec-8063-997dc3951552/resourceGroups/TerraformResourceGroup/providers/Microsoft.Compute/images/TerraformVM-image-20210202111108"
    }

  storage_os_disk {
    name              = "Imagedisk"
    caching           = "ReadWrite"
    create_option     = "FromImage"
    managed_disk_type = "Standard_LRS"
    }

  os_profile {
    computer_name  = var.name
    admin_username = var.username
    admin_password = var.password
  }

  os_profile_windows_config {
     provision_vm_agent = true
  }

  tags = {
    environment = "staging"
  }
}