after ejected, app gives this error "Error: Failed to start watch mode."

Failed to construct transformer: Error: Failed to start watch mode.
at Timeout._onTimeout (C:\Users…)
at listOnTimeout (internal/timers.js:549:17)
at processTimers (internal/timers.js:492:7)

expo disgnose
Expo CLI 3.28.0 environment info:
System:
OS: Windows 10 10.0.18362
Binaries:
Node: 12.18.4 - C:\Program Files\nodejs\node.EXE
npm: 6.14.8 - C:\Program Files\nodejs\npm.CMD
IDEs:
Android Studio: Version 4.0.0.0 AI-193.6911.18.40.6514223
npmPackages:
expo: ^39.0.3 => 39.0.3
react: 16.13.1 => 16.13.1
react-dom: 16.13.1 => 16.13.1
react-native: ~0.63.3 => 0.63.3
react-native-web: ^0.13.18 => 0.13.18
react-navigation: ^4.4.2 => 4.4.2
Expo Workflow: bare

i tried restart labtop, npm install watchman, and none worked