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React, how to fix the TypeError: resolver is not a function error

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I ran into this rather puzzling message while working on a Next.js/React app:

TypeError: resolver is not a function

Turned out the solution was very simple.

I was doing some editing and I commented out the default export to component of the API call I was editing:

export default <name>

So, make sure you have a default export and the error will go away.

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