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I had a similar issue and then I found this inside the "settings" tab of my stack. I guess the same applies to `pulumi stack rename` command. Perhaps there is a more convenient but I don't know it:

Recovering Configuration
Deleting this stack or this stack's resources requires that you have a `Pulumi.yaml` file in the same directory.
If you no longer have access to the Pulumi program's source code, you can recreate the configuration files with the following commands:
```# Pulumi.yaml
echo "name: project-name" &gt; Pulumi.yaml
echo "runtime: nodejs" &gt;&gt; Pulumi.yaml

# Pulumi.stack-name.yaml
pulumi stack select org-name/project-name/stack-name
pulumi config refresh```
