A page that does not export a valid React Component was found while analyzing the build output.
This is a hard error because the page would error when rendered, and causes poor build performance.
Investigate the list of page(s) specified in the error message. For each, you'll want to check if the file is meant to be a page.
If the file is not meant to be a page, and instead, is a shared component or file, move the file to a different folder like
If the file is meant to be a page, double check you have an
export default with the React Component instead of an
export. If you're already using
export default, make sure the returned value is a valid React Component.