install of darknode failed for digital ocean

[parceval]

I just tried to install a darknode using digital ocean.
Transcript here:
~ % darknode up --name darknode_1 --do --do-token <MY_TOKEN>

Initializing the backend...

Initializing provider plugins...

• Checking for available provider plugins...
• Downloading plugin for provider "digitalocean" (terraform-providers/digitalocean) 2.8.0...

The following providers do not have any version constraints in configuration,
so the latest version was installed.

To prevent automatic upgrades to new major versions that may contain breaking
changes, it is recommended to add version = "..." constraints to the
corresponding provider blocks in configuration, with the constraint strings
suggested below.

• provider.digitalocean: version = "~> 2.8"

Warning: registry.terraform.io: This version of Terraform has an outdated GPG key and is unable to verify new provider releases. Please upgrade Terraform to at least 0.12.31 to receive new provider updates. For details see: https://discuss.hashicorp.com/t/hcsec-2021-12-codecov-security-event-and-hashicorp-gpg-key-exposure/23512

Warning: registry.terraform.io: For users on Terraform 0.13 or greater, this provider has moved to digitalocean/digitalocean. Please update your source in required_providers.

Terraform has been successfully initialized!

You may now begin working with Terraform. Try running "terraform plan" to see
any changes that are required for your infrastructure. All Terraform commands
should now work.

If you ever set or change modules or backend configuration for Terraform,
rerun this command to reinitialize your working directory. If you forget, other
commands will detect it and remind you to do so if necessary.
Deploying darknode ...
digitalocean_ssh_key.darknode: Creating...

Error: Provider produced inconsistent result after apply

When applying changes to digitalocean_ssh_key.darknode, provider
"registry.terraform.io/-/digitalocean" produced an unexpected new value for
was present, but now absent.

This is a bug in the provider, which should be reported in the provider's own
issue tracker.

exit status 1