createContainer not working

[xerotolerant]

The following errors are being output to the console Warning: React.createClass is no longer supported. Use a plain JavaScript class instead. If you're not yet ready to migrate, create-react-class is available on npm as a drop-in replacement.

and

Cannot call a class as a function

createContainer is being called as follows

const functionalComponent = (props) => {
   return (
      ///some valid jsx
   )
}

export default createContainer(props => {}, functionalComponent);

index.json

"dependencies": {
    "create-react-class": "^15.6.0",
    "react": "16.0.0-alpha.12",
    "react-native": "0.47.1",
    "react-native-meteor": "^1.1.0",
    "react-router-native": "^4.1.1"
  },
  "devDependencies": {
    "babel-jest": "20.0.3",
    "babel-preset-react-native": "next",
    "jest": "20.0.4",
    "react-test-renderer": "15.6.1"
  },
  "jest": {
    "preset": "react-native"
  }

[xerotolerant]

My problem was calling Meteor.Collection('collection_name') rather than Meteor.collection('collection_name')

didn't realize it was supposed to be a lowercase c.