title
Export Custom Routes

Why This Error Occurred

In your next.config.js you defined rewrites, redirects, or headers along with output: 'export' (or you ran next export).

These configs do not apply when exporting your Next.js application manually.

Possible Ways to Fix It

Remove rewrites, redirects, and headers from your next.config.js to disable these features or
Remove output: 'export' (or next export) in favor of next start to run a production server