Can React native start and remove the project? - Codes Helper

when I try to remove the project:

X @ AwesomeProject $ sudo npm uninstall AwesomeProject
Password:
npm WARN @babel/plugin-check-constants@7.0.0-beta.38 requires a peer of @babel/core@7.0.0-beta.38 but none is installed. You must install peer dependencies yourself.
npm WARN react-test-renderer@16.3.0 requires a peer of react@^16.0.0 but none is installed. You must install peer dependencies yourself.
npm WARN react-native-branch@2.0.0-beta.3 requires a peer of react@>=15.4.0 but none is installed. You must install peer dependencies yourself.
npm WARN react-native-gesture-handler@1.0.0-alpha.41 requires a peer of react@> 15.0.0 but none is installed. You must install peer dependencies yourself.
npm WARN react-native-maps@0.20.1 requires a peer of react@^16.0 but none is installed. You must install peer dependencies yourself.
npm WARN react-redux@5.0.7 requires a peer of react@^0.14.0 || ^15.0.0-0 || ^16.0.0-0 but none is installed. You must install peer dependencies yourself.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: @expo/ngrok-bin-darwin-ia32@2.2.8 (node_modules/@expo/ngrok-bin-darwin-ia32):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for @expo/ngrok-bin-darwin-ia32@2.2.8: wanted {"os":"darwin","arch":"ia32"} (current: {"os":"darwin","arch":"x64"})
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: @expo/ngrok-bin-freebsd-x64@2.2.8 (node_modules/@expo/ngrok-bin-freebsd-x64):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for @expo/ngrok-bin-freebsd-x64@2.2.8: wanted {"os":"freebsd","arch":"x64"} (current: {"os":"darwin","arch":"x64"})
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: @expo/ngrok-bin-freebsd-ia32@2.2.8 (node_modules/@expo/ngrok-bin-freebsd-ia32):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for @expo/ngrok-bin-freebsd-ia32@2.2.8: wanted {"os":"freebsd","arch":"ia32"} (current: {"os":"darwin","arch":"x64"})
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: @expo/ngrok-bin-linux-arm@2.2.8 (node_modules/@expo/ngrok-bin-linux-arm):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for @expo/ngrok-bin-linux-arm@2.2.8: wanted {"os":"linux","arch":"arm"} (current: {"os":"darwin","arch":"x64"})
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: @expo/ngrok-bin-linux-arm64@2.2.8 (node_modules/@expo/ngrok-bin-linux-arm64):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for @expo/ngrok-bin-linux-arm64@2.2.8: wanted {"os":"linux","arch":"arm64"} (current: {"os":"darwin","arch":"x64"})
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: @expo/ngrok-bin-linux-ia32@2.2.8 (node_modules/@expo/ngrok-bin-linux-ia32):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for @expo/ngrok-bin-linux-ia32@2.2.8: wanted {"os":"linux","arch":"ia32"} (current: {"os":"darwin","arch":"x64"})
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: @expo/ngrok-bin-linux-x64@2.2.8 (node_modules/@expo/ngrok-bin-linux-x64):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for @expo/ngrok-bin-linux-x64@2.2.8: wanted {"os":"linux","arch":"x64"} (current: {"os":"darwin","arch":"x64"})
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: @expo/ngrok-bin-sunos-x64@2.2.8 (node_modules/@expo/ngrok-bin-sunos-x64):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for @expo/ngrok-bin-sunos-x64@2.2.8: wanted {"os":"sunos","arch":"x64"} (current: {"os":"darwin","arch":"x64"})
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: @expo/ngrok-bin-win32-ia32@2.2.8-beta.1 (node_modules/@expo/ngrok-bin-win32-ia32):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for @expo/ngrok-bin-win32-ia32@2.2.8-beta.1: wanted {"os":"win32","arch":"ia32"} (current: {"os":"darwin","arch":"x64"})
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: @expo/ngrok-bin-win32-x64@2.2.8-beta.1 (node_modules/@expo/ngrok-bin-win32-x64):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for @expo/ngrok-bin-win32-x64@2.2.8-beta.1: wanted {"os":"win32","arch":"x64"} (current: {"os":"darwin","arch":"x64"})

up to date in 8.641s

Why can"t the project be removed?
what is this?

Why would I remove it? Because we can"t even start it

 @ react-native-app $ sudo npm start

> react-native-app@0.1.0 start /react-native-app
> react-native-scripts start

16:54:22: Starting packager...
***ERROR STARTING PACKAGER***
Starting React Native packager...
Scanning folders for symlinks in /react-native-app/node_modules (9ms)
Loading dependency graph.



2018-04-03T16:54:31,629: [0x7fff7bbe7300] dirfd(/usr/local/var/run/watchman/root-state): File exists
2018-04-03T16:54:31,630: [0x7fff7bbe7300] dirfd(/usr/local/var/run/watchman/root-state): File exists
2018-04-03T16:54:31,630: [0x7fff7bbe7300] dirfd(/usr/local/var/run/watchman/root-state): File exists
***ERROR STARTING PACKAGER***

jest-haste-map: Watchman crawl failed. Retrying once with node crawler.
  Usually this happens when watchman isn"t running. Create an empty `.watchmanconfig` file in your project"s root folder or initialize a git or hg repository in your project.
  Error: Watchman error: unable to resolve root /react-native-app: "/react-native-app" resolved to "/react-native-app" but we were unable to examine "/react-native-app" using strict case sensitive rules.  Please check each component of the path and make sure that that path exactly matches the correct case of the files on your filesystem.. Make sure watchman is running for this project. See https://facebook.github.io/watchman/docs/troubleshooting.html.
***ERROR STARTING PACKAGER***

2018-04-03T16:54:34,843: [0x7fff7bbe7300] dirfd(/usr/local/var/run/watchman/root-state): File exists
***ERROR STARTING PACKAGER***

2018-04-03T16:54:34,844: [0x7fff7bbe7300] dirfd(/usr/local/var/run/watchman/root-state): File exists
2018-04-03T16:54:34,844: [0x7fff7bbe7300] dirfd(/usr/local/var/run/watchman/root-state): File exists

I think it"s a problem with watchman. I also reinstalled
packages with brew. It"s still the same