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Hi <@U016HJH1PEZ> 

The issue here is because the value you are trying to interpolate is an output - you need to resolve the promise before you can interpolate it


<https://www.pulumi.com/docs/intro/concepts/programming-model/#outputs|https://www.pulumi.com/docs/intro/concepts/programming-model/#outputs>

Agreed and corrected the code. But my concern is this is not a correct way to throw an error.

So technically it’s not an error as such it’s just an unresolved promise right?