title: react-native run-ios not Working (domain=com.apple.CoreSimulator.SimError, code=164)
body: <p>While running command "react-native run-ios"
  Simulator opens and after BUILD SUCCEEDED I have received message</p>
  
  <p>Installing build/Build/Products/Debug-iphonesimulator/*****.app
  <br>An error was encountered processing the command (domain=com.apple.CoreSimulator.SimError, code=164):
  <br>Unable to lookup service com.apple.CoreSimulator.host_support: 0x3
  <br>Launching app.*****
  <br>app.*****: 0</p>
  
  <p>When i run "sudo react-native run-ios"
  Simulator doesn't opens and it's looks like every fine but nothing happens. (I tried to open simulator before this still nothing happens)
  After BUILD SUCCEEDED i have this message: "<br>Installing build/Build/Products/Debug-iphonesimulator/*****.app
  <br>Launching app.*****
  <br>app.*****: 1055"</p>
  
  <p>Starting project directly from XCode shows this message <br>"Unable to lookup service com.apple.CoreSimulator.host_support: 0x3"</p>
  
  <p>node V8.8.1
  <br>npm V5.4.2
  <br>react-native-cli V2.0.1
  <br>react-native V0.47.2
  <br>OS MacOs Siera V10.12.6
  <br>Watchman V4.9.0</p>
  
  <p>Creating new react-native project not helping and i still have same mistakes.</p>