Could not resolve com.facebook.react:react-native:0.19.+.

[Arjanvanmaren]

Please help. I cannot build the app.

Could not determine the dependencies of task ':app:preDebugBuild'.

Could not resolve all task dependencies for configuration ':app:debugRuntimeClasspath'.
Could not resolve com.facebook.react:react-native:0.19.+.
Required by:
project :app > project :react-native-documentscanner-android
> Failed to list versions for com.facebook.react:react-native.
> Unable to load Maven meta-data from https://jcenter.bintray.com/com/facebook/react/react-native/maven-metadata.xml.
> Could not HEAD 'https://jcenter.bintray.com/com/facebook/react/react-native/maven-metadata.xml'.
> org.apache.http.client.ClientProtocolException (no error message)