12 lines
811 B
Markdown
12 lines
811 B
Markdown
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# Invalid Layout or Page Export
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#### Why This Error Occurred
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Your [layout](https://beta.nextjs.org/docs/api-reference/file-conventions/layout) or [page](https://beta.nextjs.org/docs/api-reference/file-conventions/page) inside the app directory exports an invalid field. In these files, you're only allowed to export a default React component, or [Segment Configuration Options](https://beta.nextjs.org/docs/api-reference/segment-config) for layout and pages, such as `revalidate`, `generateStaticParams`, etc.
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Other custom exports are not allowed to catch misspelt configuration options and prevent conflicts with future options.
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#### Possible Ways to Fix It
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You can create a new file and co-locate it with the page or layout. In the new file, you can export any custom fields and import it from anywhere.
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