title: Weird error and red screen when trying to build React Native project to device
body: <p>I am trying to build my react-native project on to my iphone but keep getting the following error:</p>
  
  <pre><code>2015-11-01 20:50:19.134 [error][tid:com.facebook.React.JavaScript] 'Error: Can\'t find variable: Symbol\n stack: \n  &lt;unknown&gt;  main.jsbundle:64380\n  require    main.jsbundle:254\n  &lt;unknown&gt;  main.jsbundle:64198\n  require    main.jsbundle:254\n  &lt;unknown&gt;  main.jsbundle:64125\n  require    main.jsbundle:254\n  &lt;unknown&gt;  main.jsbundle:64028\n  require    main.jsbundle:254\n  &lt;unknown&gt;  main.jsbundle:1409\n  require    main.jsbundle:254\n  &lt;unknown&gt;  main.jsbundle:1398\n  require    main.jsbundle:254\n  require    main.jsbundle:200\n  &lt;unknown&gt;  main.jsbundle:95010\n URL: file:///private/var/mobile/Containers/Bundle/Application/8E332C19-45CF-4874-AC61-7427C508ED16/Jobletics.app/main.jsbundle\n line: 64380\n message: Can\'t find variable: Symbol'
  2015-11-01 20:50:19.238 [info][tid:com.facebook.React.JavaScript] 'Running application "Jobletics" with appParams: {"rootTag":1,"initialProps":{}}. __DEV__ === false, development-level warning are OFF, performance optimizations are ON'
  2015-11-01 20:50:19.241 [error][tid:com.facebook.React.JavaScript] 'Error: Invariant Violation: Application Jobletics has not been registered. This is either due to a require() error during initialization or failure to call AppRegistry.registerComponent.\n stack: \n  runApplication  main.jsbundle:44346\n  __callFunction  main.jsbundle:5536\n  &lt;unknown&gt;       main.jsbundle:5472\n  guard           main.jsbundle:5425\n  &lt;unknown&gt;       main.jsbundle:5472\n  &lt;unknown&gt;       main.jsbundle:5469\n  perform         main.jsbundle:7017\n  batchedUpdates  main.jsbundle:16438\n  batchedUpdates  main.jsbundle:6320\n  &lt;unknown&gt;       main.jsbundle:5468\n  guard           main.jsbundle:5425\n  processBatch    main.jsbundle:5467\n URL: file:///private/var/mobile/Containers/Bundle/Application/8E332C19-45CF-4874-AC61-7427C508ED16/Jobletics.app/main.jsbundle\n line: 2012\n message: Invariant Violation: Application Jobletics has not been registered. This is either due to a require() error during initialization or failure to call AppRegistry.registerComponent.
  </code></pre>
  
  <p>With this screen<a href="https://i.stack.imgur.com/ljM88.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/ljM88.jpg" alt="enter image description here"></a></p>
  
  <p>I have done $ react-native bundle. Could it have something to do with permissions? Please help.</p>