JS: ERROR TypeError: Cannot read property 'length' of undefined
System.err: An uncaught Exception occurred on "main" thread.
System.err: Calling js method onSelectedPositionChange failed
System.err: TypeError: Cannot read property 'android' of undefined
System.err: 
System.err: StackTrace:
System.err: push.../node_modules/tns-core-modules/ui/bottom-navigation/bottom-navigation.js.BottomNavigation.setTabBarItemColor(file:///node_modules/tns-core-modules/ui/bottom-navigation/bottom-navigation.js:496:0)
System.err: 	at (file:///node_modules/tns-core-modules/ui/tab-navigation-base/tab-strip-item/tab-strip-item.js:68:0)
System.err: 	at push.../node_modules/tns-core-modules/data/observable/observable.js.Observable.notify(file:///node_modules/tns-core-modules/data/observable/observable.js:110:0)
System.err: 	at (file:///node_modules/tns-core-modules/ui/core/properties/properties.js:852:0)
System.err: 	at (file:///node_modules/tns-core-modules/ui/core/properties/properties.js:862:0)
System.err: 	at push.../node_modules/tns-core-modules/ui/tab-navigation-base/tab-strip-item/tab-strip-item.js.TabStripItem.eachChild(file:///node_modules/tns-core-modules/ui/tab-navigation-base/tab-strip-item/tab-strip-item.js:120:0)
System.err: 	at (file:///node_modules/tns-core-modules/ui/core/properties/properties.js:857:0)
System.err: 	at push.../node_modules/tns-core-modules/ui/styling/style-scope.js.CssState.setPropertyValues(file:///node_modules/tns-core-modules/ui/styling/style-scope.js:472:0)
System.err: 	at (file:///node_modules/tns-core-modules/ui/styling/style-scope.js:381:0)
System.err: 	at push.../node_modules/tns-core-modules/ui/core/view-base/view-base.js.ViewBase._batchUpdate(file:///node_modules/tns-core-modules/ui/core/view-base/view-base.js:279:0)
System.err: 	at push.../node_modules/tns-core-modules/ui/styling/style-scope.js.CssState.updateDynamicState(file:///node_modules/tns-core-modules/ui/styling/style-scope.js:379:0)
System.err: 	at CssState._onDynamicStateChangeHandler(file:///node_modules/tns-core-modules/ui/styling/style-scope.js:328:57)
System.err: 	at push.../node_modules/tns-core-modules/data/observable/observable.js.Observable.notify(file:///node_modules/tns-core-modules/data/observable/observable.js:110:0)
System.err: 	at push.../node_modules/tns-core-modules/ui/core/view-base/view-base.js.ViewBase.notifyPseudoClassChanged(file:///node_modules/tns-core-modules/ui/core/view-base/view-base.js:319:0)
System.err: 	at push.../node_modules/tns-core-modules/ui/core/view-base/view-base.js.ViewBase.deletePseudoClass(file:///node_modules/tns-core-modules/ui/core/view-base/view-base.js:345:0)
System.err: 	at push.../node_modules/tns-core-modules/ui/core/view-base/view-base.js.ViewBase._goToVisualState(file:///node_modules/tns-core-modules/ui/core/view-base/view-base.js:595:0)
System.err: 	at (file:///node_modules/tns-core-modules/ui/tab-navigation-base/tab-strip-item/tab-strip-item.js:151:0)
System.err: 	at push.../node_modules/tns-core-modules/data/observable/observable.js.Observable.notify(file:///node_modules/tns-core-modules/data/observable/observable.js:110:0)
System.err: 	at push.../node_modules/tns-core-modules/data/observable/observable.js.Observable._emit(file:///node_modules/tns-core-modules/data/observable/observable.js:127:0)
System.err: 	at BottomNavigationBarImplementation.onSelectedPositionChange(file:///node_modules/tns-core-modules/ui/bottom-navigation/bottom-navigation.js:87:0)
System.err: 	at com.tns.Runtime.callJSMethodNative(Native Method)
System.err: 	at com.tns.Runtime.dispatchCallJSMethodNative(Runtime.java:1286)
System.err: 	at com.tns.Runtime.callJSMethodImpl(Runtime.java:1173)
System.err: 	at com.tns.Runtime.callJSMethod(Runtime.java:1160)
System.err: 	at com.tns.Runtime.callJSMethod(Runtime.java:1138)
System.err: 	at com.tns.Runtime.callJSMethod(Runtime.java:1134)
System.err: 	at com.tns.gen.org.nativescript.widgets.BottomNavigationBar_vendor_123976_32_BottomNavigationBarImplementation.onSelectedPositionChange(BottomNavigationBar_vendor_123976_32_BottomNavigationBarImplementation.java:39)
System.err: 	at org.nativescript.widgets.BottomNavigationBar.setSelectedPosition(BottomNavigationBar.java:274)
System.err: 	at org.nativescript.widgets.BottomNavigationBar$TabClickListener.onClick(BottomNavigationBar.java:287)
System.err: 	at android.view.View.performClick(View.java:6663)
System.err: 	at android.view.View.performClickInternal(View.java:6635)
System.err: 	at android.view.View.access$3100(View.java:794)
System.err: 	at android.view.View$PerformClick.run(View.java:26199)
System.err: 	at android.os.Handler.handleCallback(Handler.java:907)
System.err: 	at android.os.Handler.dispatchMessage(Handler.java:105)
System.err: 	at android.os.Looper.loop(Looper.java:216)
System.err: 	at android.app.ActivityThread.main(ActivityThread.java:7625)
System.err: 	at java.lang.reflect.Method.invoke(Native Method)
System.err: 	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:524)
System.err: 	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:987)

[{
  "nativescript": {
    "id": "org.nativescript.mrsincoquiz",
    "tns-android": {
      "version": "6.2.0"
    },
    "tns-ios": {
      "version": "6.1.0"
    }
  },
  "description": "NativeScript Application",
  "license": "SEE LICENSE IN <your-license-filename>",
  "repository": "<fill-your-repository-here>",
  "scripts": {
    "lint": "tslint \"src/**/*.ts\""
  },
  "dependencies": {
    "@angular/animations": "~8.2.0",
    "@angular/common": "~8.2.0",
    "@angular/compiler": "~8.2.0",
    "@angular/core": "~8.2.0",
    "@angular/forms": "~8.2.0",
    "@angular/platform-browser": "~8.2.0",
    "@angular/platform-browser-dynamic": "~8.2.0",
    "@angular/router": "~8.2.0",
    "json-object-mapper": "^1.6.0",
    "nativescript-angular": "~8.2.0",
    "nativescript-localstorage": "^1.1.5",
    "nativescript-material-cardview": "^2.5.4",
    "nativescript-theme-core": "~1.0.6",
    "reflect-metadata": "~0.1.12",
    "rxjs": "^6.4.0",
    "tns-core-modules": "^6.1.2",
    "zone.js": "~0.9.1"
  },
  "devDependencies": {
    "@angular/compiler-cli": "~8.2.0",
    "@ngtools/webpack": "~8.2.0",
    "codelyzer": "~4.5.0",
    "nativescript-dev-webpack": "~1.2.0",
    "node-sass": "^4.7.1",
    "tslint": "~5.19.0",
    "typescript": "~3.5.3"
  },
  "gitHead": "1964ea9e8ca1a0518e0d6370781eedcf6c23db42",
  "readme": "NativeScript Application"
}]