Unable to create Always Free instance after terminating other instances.

Summary:

This is my first day in Oracle Cloud. After setup some few instances for exploring, I can't see the 'Always Free' in the only one remaining instance. (I check the boot volumes and all are deleted, except the active one).

Content (required):

I attach an image of what happen. Hope this information was enough.

Thanks in advance.

Best regards.

Alvaro.

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):