expo-cli
installed or it is not properly configured in your $PATH
.$PATH
based on your OS.rm -rf .expo
to clear your local state. Check for firewalls or proxies affecting the network you are currently connected to.expo start --no-dev --minify
to reproduce the production JS bundle locally. If possible, connect your device and access the device logs via Android Studio or Xcode. Device logs contain much more detailed stacktraces and information. Check to see if you have any changes or errors in your Babel configuration.$PATH
.$PATH
based on your OS.expo publish
.