Expo QR code not showing for a React Native App

Usually when I run npm start / expo start the expo cli starts and I am able to scan the QR code using expo on my phone. However after I start the app a few times, the QR code no longer begins to show up and I can no longer scan it.

enter image description here Bottom Lower Corner of the Expo Developer Tools which usually shows a QR code

enter image description here NPM command prompt running without a QR code