UnhandledPromiseRejectionWarning: UnableToResolveError: Unable to resolve module @exponent/ex-navigation from

[srikanthsunkari]

UnhandledPromiseRejectionWarning: UnableToResolveError: Unable to resolve module @exponent/ex-navigation from E:\Workspace\react-native-firestick\src\Router.js: Module does not exist in the module map or in these directories:
E:\Workspace\react-native-firestick\node_modules@exponent

#164 seems to be the same issue but closed without a fix.

App.js

import {
  NavigationProvider,
  StackNavigation,
} from '@exponent/ex-navigation'; 

package.json

"@expo/ex-navigation": "github:exponent/ex-navigation",