▲ Next.js 16.4.2 (Turbopack)
✓ Running next.config took 11ms

  Creating an optimized production build ...

> Build error occurred
Error: Turbopack build failed with 1 error:
./app/page.js:1:10
Error: You're importing a module that depends on `useState` into a React Server Component module. This API is only available in Client Components. To fix, mark the file (or its parent) with the `"use client"` directive.
    Learn more: https://nextjs.org/docs/app/api-reference/directives/use-client
> 1 | import { useState } from "react";
    |          ^^^^^^^^
  2 |
  3 | export default function Home() {
  4 |   const [count, setCount] = useState(0);

Ecmascript file had an error


    at ignore-listed frames