React can not find module

After I create my react project with

npx create-react-app

my-app I run

npm start

and get this error as you can see below in the image

node version: 12.16.1

npm version: 6.13.4

enter image description here

I will be grateful if you show me a solution!

and this is my package.js filehttps://imgur.com/v8yeKrR