I tried to add push notifications to my app with https://github.com/evollu/react-native-fcm module. I end up with lots of errors and run many react commands on node including uprade commands. Now on simulator red screen says "Can not find entry file index.js in any of to roots" and when I look at the ReactPackager it says:
Loading dependency graph, done. Bundlingindex.js[development, non-minified] 0.0% (0/1), failed. error: bundling failed: Error at DependencyGraph._getAbsolutePath (/Users/beratuslu/Desktop/react-native-starter-app/node_modules/metro-bundler/src/node-haste/DependencyGraph.js:305:11) at DependencyGraph.getDependencies (/Users/beratuslu/Desktop/react-native-starter-app/node_modules/metro-bundler/src/node-haste/DependencyGraph.js:283:4236) at Resolver.getDependencies (/Users/beratuslu/Desktop/react-native-starter-app/node_modules/metro-bundler/src/Resolver/index.js:129:5) at /Users/beratuslu/Desktop/react-native-starter-app/node_modules/metro-bundler/src/Bundler/index.js:642:39 at Generator.next (<anonymous>) at step (/Users/beratuslu/Desktop/react-native-starter-app/node_modules/metro-bundler/src/Bundler/index.js:13:1336) at /Users/beratuslu/Desktop/react-native-starter-app/node_modules/metro-bundler/src/Bundler/index.js:13:1496 at process._tickCallback (internal/process/next_tick.js:103:7)
Here is my package.json: https://pastebin.com/2CsXCyJt
Any help appreciated...

"babel-preset-react-native": "3.0.1",and make sure your .babelrc contains` "presets": ["react-native"]` I faced such issue it had to do with something relate to babel libraries in my dev dependencies so i deleted babel related libraries and kept only babel-preset-react-native and babel-jest