Below code is perfectly working in Codesandbox but not working in Stackbliz

[rsranjeet]

Below code is perfectly working in Codesandbox but not working in Stackbliz

Error:
Error in /turbo_modules/react@19.0.0/cjs/react.development.js (1205:31)
Cannot read properties of null (reading 'useContext')

import React, { useState } from 'react';
import { Backdrop, Box, Button, Typography } from '@mui/material';

const OverlayExample = () => {
const [open, setOpen] = useState(false);

const handleToggle = () => {
setOpen(!open);
};

return (

{open ? 'Close Overlay' : 'Open Overlay'}

<Backdrop open={open} style={{ zIndex: 1 }}>
<Box
sx={{
width: 300,
height: 200,
bgcolor: 'background.paper',
boxShadow: 3,
p: 4,
borderRadius: 2,
}}
>

This is an overlay


You can place any content here.

);
};

export default OverlayExample;