Fix Dynamic Server Usage Error in Next.js App Router

📰 Dev.to · Mahdi BEN RHOUMA

"Dynamic server usage: Route couldn't be rendered statically because it used cookies/headers" means Next tried to prerender a route that needs request-time data. Here's when to go dynamic and when to remove the dependency.

Published 18 Jun 2026

Full Article

"Dynamic server usage: Route couldn't be rendered statically because it used cookies/headers" means Next tried to prerender a route that needs request-time data. Here's when to go dynamic and when to remove the dependency.
Read full article → ← Back to Reads