# delete the node_modules 

rm -rf node_modules

​

# delete the package-lock.json or yarn.lock 

rm -f package-lock.json

rm -f yarn.lock

​

# clean the npm cache

npm cache clean --force

​

# Install the dependencies

npm install

rm -rf node_modules

rm -rf package-lock.json

npm install

To Solve sh: react-scripts: command not found Error Just try to install react-scripts with this command: npm i react-scripts And then try to run your project with npm start command Your error should be fixed now.

# delete the node_modules 

rm -rf node_modules

​

# delete the package-lock.json or yarn.lock 

rm -f package-lock.json

rm -f yarn.lock

​

# clean the npm cache

npm cache clean --force

​

# Install the dependencies

npm install --force 

or

npm install --legacy-peer-deps

rm -rf node_modules 'Remove packages installed

npm install 'Install all packages

"start": "NODE_ENV=production node_modules/react-scripts/bin/react-scripts.js start"

​

//Go to package.json and change "start": "react-scripts start" to the line above" and save the file.

//Try npm start again after this passage 

"start": "NODE_ENV=production node_modules/react-scripts/bin/react-scripts.js start"

Please follow these steps:

​

Remove package-lock.json form the project's directory.

Then, run npm install.

And then, do npm start again.

If the issue persists do, rm -rf node_modules to remove the node_modules folder and start again from step 1.