React client hook in Server Component

Why This Error Occurred

You are using a React client hook in a Server Component.

Possible Ways to Fix It

Mark the component using the hook as a Client Component by adding 'use client' at the top of the file.

Before

app/example.js

import { useEffect } from 'react'
 
export default function Example() {
  useEffect(() => {
    console.log('in useEffect')
  })
  return <p>Hello world</p>
}

After

app/example.js

'use client'
 
import { useEffect } from 'react'
 
export default function Example() {
  useEffect(() => {
    console.log('in useEffect')
  })
  return <p>Hello world</p>
}

Useful Links

Server Components