Invalid entry inside getStaticPath's return value

InvalidGetStaticPathsEntry: Invalid entry returned by getStaticPaths. Expected an object, got ENTRY_TYPE

getStaticPaths’s return value must be an array of objects. In most cases, this error happens because an array of array was returned. Using .flatMap() or a .flat() call may be useful.

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

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