fails to compile

[rudrakpatra]

Failed to compile
./src/index.js 1:44
Module parse failed: Unexpected token (1:44)
File was processed with these loaders:

• ./node_modules/@pmmmwh/react-refresh-webpack-plugin/loader/index.js
• ./node_modules/babel-loader/lib/index.js
  You may need an additional loader to handle the result of these loaders.

$RefreshRuntime$ = require('C:/Users/rudrak'sPC/Desktop/react-projects/material-ui/material-ui-tut/node_modules/react-refresh/runtime.js');
| $RefreshSetup$(module.id);
|

[rudrakpatra]

Currently I changed the react version in package.json to 4.0.1 , then npm install again, this somehow solved the problem.