Problem in the command "npm start" Failed at the fourth-tic-tac-toe#0.1.0 start script. npm ERR! react-scripts: not found - node.js

Question

I am making a basic tic tac toe game in react. first I create the app with these command's
npx create-react-app my-app
cd my-app
npm start
In the beginning it's working is fine but when I installed some dependencies and again start the app with the command npm start,
give me error
shivam#shivam:~/Documents/Projects/React/fourth-tic-tac-toe$ npm start
> fourth-tic-tac-toe#0.1.0 start /home/shivam/Documents/Projects/React/fourth-tic-tac-toe
> react-scripts start
sh: 1: react-scripts: not found
npm ERR! file sh
npm ERR! code ELIFECYCLE
npm ERR! errno ENOENT
npm ERR! syscall spawn
npm ERR! fourth-tic-tac-toe#0.1.0 start: `react-scripts start`
npm ERR! spawn ENOENT
npm ERR!
npm ERR! Failed at the fourth-tic-tac-toe#0.1.0 start script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm ERR! A complete log of this run can be found in:
npm ERR! /home/shivam/.npm/_logs/2020-04-25T10_03_35_243Z-debug.log
My package.json file is here
{
"name": "fourth-tic-tac-toe",
"version": "0.1.0",
"private": true,
"dependencies": {
"#testing-library/jest-dom": "^4.2.4",
"#testing-library/react": "^9.3.2",
"#testing-library/user-event": "^7.1.2",
"bootstrap": "^4.4.1",
"react": "^16.13.1",
"react-dom": "^16.13.1",
"react-icons": "^3.10.0",
"react-scripts": "3.4.1",
"react-toastify": "^5.5.0",
"reactstrap": "^8.4.1"
},
"scripts": {
"start": "react-scripts start",
"build": "react-scripts build",
"test": "react-scripts test",
"eject": "react-scripts eject"
},
"eslintConfig": {
"extends": "react-app"
},
"browserslist": {
"production": [
">0.2%",
"not dead",
"not op_mini all"
],
"development": [
"last 1 chrome version",
"last 1 firefox version",
"last 1 safari version"
]
}
}
and npm version 5.6.0
I installed all the with the command npm install dependency-name
and only one dependency with npm install --save bootstrap
After this installation when I tried to start app give me error

Answer 1

install new version of node
npm install -g npm#latest
Go in your app directory and use this command
npm install react-scripts#2.1.8
It has worked for me.