Terraform Build failure `Error: Failure associating EIP: InvalidParameterCombination`

[josehelps]

module.splunk-server.aws_eip.splunk_ip[0]: Creation complete after 1s [id=eipalloc-0fb8481bd846e51bd]
Error: Failure associating EIP: InvalidParameterCombination: You must specify an allocation id when mapping an address to a VPC instance
	status code: 400, request id: 7850d43a-38b9-4c26-9e06-4ee93f5a2f81
 on modules/windows-domain-controller/resources.tf line 59, in resource "aws_eip" "windows_server_ip":
 59: resource "aws_eip" "windows_server_ip" {

adding vpc=true seemed to have fixed it..found suggestion on: https://stackoverflow.com/questions/44118175/failure-associating-eip-invalidparametercombination-you-must-specify-an-alloca

[josehelps]

haven't experienced this again, closing for now.