gistfile1.txt

There are warnings and/or errors related to your configuration. Please
fix these before continuing.

Warnings:

  * google_compute_network.network: "ipv4_range": [DEPRECATED] Please use google_compute_subnetwork
resources instead.

No errors found. Continuing with 1 warning(s).

template_file.template_file: Refreshing state... (ID: 1d7d12f462bccbc447fd7c5143e43de08dc53c5bbc093432319b02b7731dba20)
google_compute_instance_group_manager.instance_group_manager: Refreshing state... (ID: instance-group-manager)
google_compute_network.network: Refreshing state... (ID: network)
google_compute_instance_template.instance_template: Refreshing state... (ID: instance-template)
google_compute_instance_template.instance_template: Destroying...
Error applying plan:

1 error(s) occurred:

* google_compute_instance_template.instance_template: Error deleting instance template: googleapi:
 Error 400: The instance_template resource 'instance-template' is already being used by '
instance-group-manager', resourceInUseByAnotherResource

Terraform does not automatically rollback in the face of errors.
Instead, your Terraform state file has been partially updated with
any resources that successfully completed. Please address the error
above and apply again to incrementally change your infrastructure.