Error: Uncaught (in promise): TypeError: Object(…) is not a function
TypeError: Object(…) is not a function
at http://localhost:8100/build/vendor.js:62751:67
at t.invoke (http://localhost:8100/build/polyfills.js:3:14976)
at r.run (http://localhost:8100/build/polyfills.js:3:10143)
at NgZone.runOutsideAngular (http://localhost:8100/build/vendor.js:5393:69)
at new AngularFirestore (http://localhost:8100/build/vendor.js:62749:41)
at _createClass (http://localhost:8100/build/vendor.js:11628:20)
at createProviderInstance$1 (http://localhost:8100/build/vendor.js:11592:26)
at resolveNgModuleDep (http://localhost:8100/build/vendor.js:11577:17)
at NgModuleRef.get (http://localhost:8100/build/vendor.js:12814:16)
at resolveDep (http://localhost:8100/build/vendor.js:13304:45)
at c (http://localhost:8100/build/polyfills.js:3:19752)
at c (http://localhost:8100/build/polyfills.js:3:19461)
at http://localhost:8100/build/polyfills.js:3:20233
at t.invokeTask (http://localhost:8100/build/polyfills.js:3:15660)
at Object.onInvokeTask (http://localhost:8100/build/vendor.js:5436:33)
at t.invokeTask (http://localhost:8100/build/polyfills.js:3:15581)
at r.runTask (http://localhost:8100/build/polyfills.js:3:10834)
at o (http://localhost:8100/build/polyfills.js:3:7894)
at e.invokeTask [as invoke] (http://localhost:8100/build/polyfills.js:3:16823)
at p (http://localhost:8100/build/polyfills.js:2:27648)
=======================================
@ionic/cli-utils : 1.19.2
ionic (Ionic CLI) : 3.20.0
global packages:
cordova (Cordova CLI) : 8.0.0
local packages:
@ionic/app-scripts : 3.1.9
Cordova Platforms : none
Ionic Framework : ionic-angular 3.9.2
System:
Android SDK Tools : 26.1.1
Node : v8.9.4
npm : 5.8.0
OS : Windows 10