There is no route defined for key auth.

### Version
Tell us which versions you are using:
- react-native-router-flux v4.2.0 Upgraded from 4.0.0-beta.24
- react v16.13.1
- react-native v0.61.4

### Expected behaviour
Should move to CustomNavBar Class.

### Actual behaviour

Throwing Error There is no route defined for key auth. Must be one of : 'root','overlay','orderOverlay',forgotPwdSuccessOverlay'

### Steps to reproduce
For non-obvious bugs, please fork this component, modify Example project to reproduce your issue and include link here.
1. Called method Actions.reset('auths');

### Reproducible Demo
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I'm working on Existing app and i'm newbie to `React Native`. Any help would be highly appreciated.