Invalid value returned by getStaticPaths.

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InvalidGetStaticPathsReturn: Invalid type returned by getStaticPaths. Expected an array, got RETURN_TYPE

What went wrong?

getStaticPaths’s return value must be an array of objects.

export async function getStaticPaths() {
  return [ // <-- Array
    { params: { slug: "blog" } },
    { params: { slug: "about" } }
  ];
}

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