You are deploying into a deprecated region within the {{ command.credentials }} account!
Account
ECS Cluster name
No ECS clusters found in the selected account/region
{{$select.selected}}
Stack
Only dot(.) and underscore(_) special characters are allowed in the Stack field.
Detail
Only dot(.), underscore(_), and dash(-) special characters are allowed in the Detail field.

Your server group will be in the cluster:

{{basicSettingsCtrl.getNamePreview()}} (new cluster)

There is already a server group in this cluster. Do you want to clone it?

Cloning copies the entire configuration from the selected server group, allowing you to modify whichever fields (e.g. image) you need to change in the new server group.

To clone a server group, select "Clone" from the "Server Group Actions" menu in the details view of the server group.

Go to details for {{latestServerGroup.name}}