Error: Error in function call

│ Error: Error in function call
│
│   on ../path/to/your/terraformodule.tf line 7, in resource "aws_instance" "this":
│    7:   subnet_id = element(var.subnet_ids,count.index)
│     ├────────────────
│     │ count.index is 0
│     │ var.subnet_ids is empty list of string
│
│ Call to function "element" failed: cannot use element function with an empty list.

• Solution: if your element if from type list make user provide values using proper format: [value1, value2]

See also

• terraform plan: [ -refresh-only | -lock=false | -target | -var-file | will be created | --help], Terraform plan errors, Terraform plan examples, Terraform plan execution errors, (known after apply)