Runtime Error : Uncaught in Promise ( Undefined) Ionic 3

#1

I am facing this problem when my project get a refresh every time io browser. Working good in Devices.

Log :

Error: Uncaught (in promise): undefined
    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:5099:33)
    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 info

cli packages: (/usr/local/lib/node_modules)

@ionic/cli-utils  : 1.19.2
ionic (Ionic CLI) : 3.20.0

global packages:

cordova (Cordova CLI) : 7.1.0 

local packages:

@ionic/app-scripts : 3.1.8
Cordova Platforms  : android 7.1.0
Ionic Framework    : ionic-angular 3.9.2

System:

ios-deploy : 1.9.2 
Node       : v9.11.1
npm        : 6.0.1 
OS         : macOS High Sierra
Xcode      : Xcode 9.3.1 Build version 9E501 

Environment Variables:

ANDROID_HOME : not set

Misc:

backend : pro

When I am using ionic lab command, every time my project refresh it’s got this error, Can anyone help me with that issue.
Thanks in Advance.

#2

Any update here? Were you able to resolve?

#3

Didn’t get any. Still same problem.