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It looks like is related to <https://www.pulumi.com/registry/packages/aws/how-to-guides/aws-ts-stackreference/|StackReference> If I remove the <https://www.pulumi.com/registry/packages/aws/how-to-guides/aws-ts-stackreference/|StackReference> code , it will be fine

It may be because you have not set `PULUMI_CONFIG_*`. It might need to use those in order to read from the referenced stack's state file.

Can you read _anything_ from that stack reference?

<@U02FZC2RE0Y> No, I can’t read anything, It’s always blocked.  I indeed did not set `PULUMI_CONFIG_*` Cloud you give me more related docs?

Are you using the Pulumi app backend, or a custom backend?

custom backend, the AWS s3 <@U02FZC2RE0Y>

You probably do not have the necessary AWS credentials configured. Where are you running the Pulumi commands from (for example, your machine, an AWS container, etc.)?