Conflicting configuration argument for net-lb-app-int

[krissQ-Q]

Describe the bug
We are facing an issue that with the net-lb-app-int resource regarding the Certificate manager Certificate.

Expected behavior
Certificate handling works properly and not causing an error.

Result

When we are providing the Certificate Manager certificates to the module net-lb-app-int it fails with the following error message:

[ludoo]

Can you provide the module configuration here?

[krissQ-Q]

Here is a reduced example of our module usage:

module "dt_net-lb-app-int" {
  source = "./fabric/modules/net-lb-app-int"
  name          = var.ilb-name
  project_id    = var.PROJECT_ID
  region        = var.region
  backend_service_configs = {
    default = {
      backends = [{
        group = "ccoe-example-neg"
      }]
      health_checks = []
    }
  }
  health_check_configs = {}
  neg_configs = {
    ccoe-example-neg = {
      cloudrun = {
        region = var.region
        target_service = {
          name = module.cloud_run.service_name
        }
      }
    }
  }
  vpc_config = {
    network    = var.network
    subnetwork = var.subnetwork
  }
  protocol = "HTTPS"
  https_proxy_config = {
    certificate_manager_certificates = [
      "projects/[PROJECT-ID]/locations/europe-west3/certificates/[CERTIFICATE]"
    ]
    ssl_policy = module.dt_ssl-policy.id
  }
}