Building for iOS errors out without information

#1

When building an expo project for iOS, the build initiates sucessfully using exp build:ios. When checking on the status after a few seconds using exp build:status, I get the following response:

[exp] Checking if current build exists...

[exp] ============
[exp] Build Status
[exp] ============

[exp] iOS: There was an error with this build.

I tried the suggested solution in this issue with no success https://github.com/expo/expo/issues/836

More info:
My Build ID: 4ac607d1-87ae-4f2c-8128-a6aa4b4e7102

package.json

{
  "name": "myapp",
  "version": "0.1.0",
  "private": true,
  "devDependencies": {
    "babel-plugin-transform-async-to-generator": "^6.24.1",
    "jest-expo": "~20.0.0",
    "react-native-scripts": "1.3.1",
    "react-test-renderer": "16.0.0-alpha.12"
  },
  "main": "./node_modules/react-native-scripts/build/bin/crna-entry.js",
  "scripts": {
    "start": "react-native-scripts start",
    "eject": "react-native-scripts eject",
    "android": "react-native-scripts android",
    "ios": "react-native-scripts ios",
    "test": "node node_modules/jest/bin/jest.js --watch"
  },
  "jest": {
    "preset": "jest-expo"
  },
  "dependencies": {
    "expo": "^21.0.0",
    "react": "16.0.0-alpha.12",
    "react-native": "^0.48.0",
    "react-native-elements": "^0.17.0",
    "react-navigation": "^1.0.0-beta.11"
  }
}

app.json

{
   "expo": {
    "name": "My app",
    "icon": "./app/assets/img/logo.png",
    "version": "1.0.0",
    "slug": "tolio",
    "sdkVersion": "21.0.0",
    "ios": {
      "bundleIdentifier": "com.pouriaassadipour.tolio"
    },
    "android": {
      "package": "com.yourcompany.yourappname"
    }
   }
 }