Invalid value for "path" parameter: failed to read file

Terraform
1

Hi just wonder if anyone can assist I have bq-table resource which works perfectly fine as it is. I provide the table schema as a json file within a subdirectory called bq-schema - this is picked up and the table and schema is created fine

When I call this as a module I get the following error

Error: Invalid function argument
│ 
│   on .terraform/modules/bigquery-tables/main.tf line 11, in resource "google_bigquery_table" "bqtable":
│   11:     schema = file("${path.module}/bq-schema/${var.bq_table[count.index]["schema_id"]}")  
│     ├────────────────
│     │ count.index is 0
│     │ path.module is ".terraform/modules/bigquery-tables"
│     │ var.bq_table is list of object with 1 element
│ 
│ Invalid value for "path" parameter: failed to read file: read .terraform/modules/bigquery-tables/bq-schema: is a directory

On windows the error is - "Invalid value for path parameter - failed to read - the handle is invalid

My resource is as following

> resource "google_bigquery_table" "bqtable" {
>     dataset_id = var.dataset_id
>     count = length(var.bq_table)
>     table_id = var.bq_table[count.index]["table_id"]
>     labels = var.labels
>     schema = file("${path.module}/bq-schema/${var.bq_table[count.index]["schema_id"]}")  
> }

Variables.tf

variable “bq_table” {
default =
type = list(object({
table_id = string
schema_id = string
}))
}

variable “labels” {
type = map(string)
}

variable “dataset_id” {
type = string

}

Tfvars

bq_table = [
{
schema_id = “table-schema-01.json”
table_id = “table1”
}
]

labels = {
env = “development”
}
dataset_id = “testing”

Module/main.tf

module “bigquery-tables” {
source = “/xxx/Modules/bigquery-tables"
dataset_id = “testing”
bq_table = [
{
table_id = “”
schema_id = “”
}
]
labels = var.labels
}

Any ideas anyone ?, thanks