Answers for "./node_modules/@mui/styled-engine/index.js Module not found: Can't resolve '@emotion/react' in '/home/orinda/Documents/Development/typescript/shoe-app-ui/node_modules/@mui/styled-engine'"

npm install styled-componenModule not found: Can't resolve '@emotion/styled' in '/home/flores/node_modules/@material-ui/styled-engine' code examplets --save

npm install styled-components --save
this should fix your problem

./node_modules/@material-ui/styled-engine/index.js Module not found: Can't resolve '@emotion/styled'

yarn add @emotion/react @emotion/styled