ERROR NullInjectorError: R3InjectorError(AppModule)[AngularFireAuth -> InjectionToken angularfire2.app.options -> InjectionToken angularfire2.app.options -> InjectionToken angularfire2.app.options]:
NullInjectorError: No provider for InjectionToken angularfire2.app.options!
at NullInjector.get (core.mjs:11120:1)
at R3Injector.get (core.mjs:11287:1)
at R3Injector.get (core.mjs:11287:1)
at R3Injector.get (core.mjs:11287:1)
at injectInjectorOnly (core.mjs:4765:1)
at Module.ɵɵinject (core.mjs:4769:1)
at Object.AngularFireAuth_Factory [as factory] (angular-fire-compat-auth.js:126:1)
at R3Injector.hydrate (core.mjs:11457:1)
at R3Injector.get (core.mjs:11276:1)
at NgModuleRef.get (core.mjs:21832:1)