El comando de npm start no progresa después del punto inferior -

La aplicación no se carga debido a esto.

A continuación se muestra el paquete.json:

 { "name": "reacttest", "version": "0.1.0", "private": true, "dependencies": { "@material-ui/core": "^4.12.1", "@material-ui/data-grid": "^4.0.0-alpha.33", "@testing-library/jest-dom": "^5.14.1", "@testing-library/react": "^11.2.7", "@testing-library/user-event": "^12.8.3", "react": "^17.0.2", "react-dom": "^17.0.2", "react-facebook-login": "^4.1.1", "react-google-login": "^5.2.2", "react-redux": "^7.2.4", "react-scripts": "4.0.3", "redux": "^4.1.0", "web-vitals": "^1.1.2" }, "scripts": { "start": "set HTTPS=true&&react-scripts start", "build": "react-scripts build", "test": "react-scripts test", "eject": "react-scripts eject" }, "eslintConfig": { "extends": [ "react-app", "react-app/jest" ] }, "browserslist": { "production": [ ">0.2%", "not dead", "not op_mini all" ], "development": [ "last 1 chrome version", "last 1 firefox version", "last 1 safari version" ] } }