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Pulumi up is throwing:

```error: could not validate provider configuration: 1 error occurred:
        * Invalid or unknown key```
Not sure what this is referring to, this project has been working ok on a dev stack. This is now trying to deploy into my prod stack (for the first time)

Can you post your `Pulumu.dev.yaml` and your `Pulumi.prod.yaml`?

Any chance you're using non-identical versions of the same provider between the two stacks?

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Hey <@U02FZC2RE0Y> I just noticed that the secret provider wasn't set. Set it to default, still getting the error
Here's a side by side of the yaml's

You have `aws:config` where it should be `aws:region`

But Pulumi should also be telling you which key is invalid - that's poor UX on our part.

ah there it is, Thanks for the second set of eyes <@U02FZC2RE0Y>
up is running and resources are now creating

Asking whether we've fixed that crappy error message. I remember hearing something about it.