Terraform version Terraform v1.0.11 on windows_amd64 provider registry.terraform.io/hashicorp/azurerm v2.88. Receiving the following during terraform plan. │ Error: Invalid index │ │ on main.tf line 80, in module "azurerm_firewall_policy_rule_collection_groups": │ 80: firewall_policy_id = […

Hi @simonmacpherson , The error message includes the context that module.azurerm_firewall_policies is an empty object, which suggests that the if clause in your for_each expression for that module is filtering out all of the elements of var.azurerm_firewall_policies. Because of that, there is no att…

Hi @apparentlymart The goal here is to create a firewall policy rule collection group and assign the group to the created policy based on the firewall policy id. Below is an excerpt from the .tfvars file containing the data for the azurerm_firewall_policy_rule_collection_groups variable. azurer…

Hi @simonmacpherson , I think what’s not clear to me is the reason for the extra filtering condition you placed on the for_each statement, which seems to be filtering out all of your firewall policy entries: if try(value.base_policy, null) == null If you were to remove this and just set fo…

Hi @apparentlymart I’ve removed the if try statement from the azurerm_firewall_policies module as there is not a requirement for it. If i just set for_each = var.azurerm_firewall_policies I still get the same error. I’m not sure if this still applies in the latest Terraform version, but I read to…

Hi @simonmacpherson , There is a specific error message for using an unknown value as the for_each collection, so if you were encountering that rule then Terraform would be explicit about it. I don’t think that’s the cause in your case. I think the main thing to understand here is why that mapping …

The given key does not identify an element in this collection value

Terraform

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Invalid for_each argument - provided tuple Terraform	2	5167	September 22, 2020
"The given key does not identify an element in this collection value", but the element does exist Terraform	1	7995	March 11, 2022
Problem using for_each and indexing Terraform	6	3925	November 6, 2019
Outputs from child module which is created by for_each Terraform azure	11	3247	January 22, 2021
Terraform expression for_each invalid index error Terraform	2	1279	January 21, 2022

The given key does not identify an element in this collection value

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