You attempted to rewrite a 404 inside a static page, and this isn't allowed.
このコンテンツはまだ日本語訳がありません。
:::caution[Deprecated]This error is from an older version of Astro and is no longer in use. If you are unable to upgrade your project to a more recent version, then you can consult unmaintained snapshots of older documentation for assistance.:::
InvalidRewrite404: Rewriting a 404 is only allowed inside on-demand pages.
What went wrong?
The user tried to rewrite a 404 page inside a static page.
Error Reference