Problem with access to the output variable

Terraform
1

Hi, guys

Terraform v0.13.6

I have problem with accessing deeply defined output variable.

../terraform-modules/vsphere_server/output.tf
output "server" {
  value = vsphere_virtual_machine.server
}

../terraform-modules/vsphere_backend/bs.tf
module "bs" {
  for_each = var.backup_server
  source   = "../vsphere_server"
}

../terraform-modules/vsphere_backend/output.tf
output "bs" {
  value = module.bs
}
output "ds" {
  value = module.ds
}
output "hv" {
  value = module.hv
}

./main.tf
module "vsphere" {
  source = "../terraform-modules/vsphere_backend"
}

Here is PROBLEM can’t read module.vsphere

./main.tf
module "cloud_configure" {
  source = "../terraform-modules/cloud_configuration"

  cloud_backend = module.vsphere
}

But in state all fine :

      "module": "module.vsphere.module.bs[\"tfbs11is\"]",
      "mode": "managed",
      "type": "vsphere_virtual_machine",
      "name": "server",
      "provider": "provider[\"registry.terraform.io/hashicorp/vsphere\"]",
      "instances": [

And output fine too:

output "vsphere" {
  value = module.vsphere
}

vsphere = {
  "bs" = {
    "tfbs11is" = {
      "server" = {
         ...
      }
    }
  }
  "ds" = {}
  "hv" = {}
}