Dynamic server usage headers Next.js

Why This Happens

In Next.js, accessing headers() in a static page forces it to be dynamic. This is one of the most common Next.js errors developers encounter. Understanding the root cause helps you fix it quickly and prevent it from recurring.

The Problem

export default function Page() {
  const h = headers();
}

The Fix

// Add to page:
export const dynamic = 'force-dynamic';

Step-by-Step Fix

1. 1

   Identify the error

   Look at the error message: Dynamic server usage: headers. This tells you exactly what went wrong.

2. 2

   Find the cause

   Check the stack trace to find which line of your Next.js code triggered this error.

3. 3

   Apply the fix

   Use the corrected code pattern shown above. Test to confirm the error is resolved.