android - Error in Ionic2 when I clone project from a repository on other computer -

i made project in ionic2. login google provider. followed tutorial.

the application works fine in computer developed. cloned project in computer work in team. , ran these commands.

• npm install

• ionic serve

• ionic platform add android

• ionic run android

basically didn't modify in project. want run it. project builds successfully, when try log-in error in console:

04-05 15:39:18.971 17869-17869/com.company.ionic.carpool d/cordovaactivity: resumed activity. 04-05 15:39:18.987 17869-17869/com.company.ionic.carpool d/systemwebchromeclient: file:///android_asset/www/build/main.js: line 79205 : exception: uncaught (in promise): 12501 04-05 15:39:18.987 17869-17869/com.company.ionic.carpool i/chromium: [info:console(79205)] "exception: uncaught (in promise): 12501", source: file:///android_asset/www/build/main.js (79205) 04-05 15:39:18.987 17869-17869/com.company.ionic.carpool d/systemwebchromeclient: file:///android_asset/www/build/main.js: line 79210 : original stacktrace: 04-05 15:39:18.987 17869-17869/com.company.ionic.carpool i/chromium: [info:console(79210)] "original stacktrace:", source: file:///android_asset/www/build/main.js (79210) 04-05 15:39:18.992 17869-17869/com.company.ionic.carpool d/systemwebchromeclient: file:///android_asset/www/build/main.js: line 79211 : error: uncaught (in promise): 12501                                                                                       @ new error (native)                                                                                       @ error.v (file:///android_asset/www/build/polyfills.js:3:4864)                                                                                       @ s (file:///android_asset/www/build/polyfills.js:3:4289)                                                                                       @ s (file:///android_asset/www/build/polyfills.js:3:4112)                                                                                       @ file:///android_asset/www/build/polyfills.js:3:4652                                                                                       @ t.invoketask (file:///android_asset/www/build/polyfills.js:3:10284)                                                                                       @ object.inner.inner.fork.oninvoketask (file:///android_asset/www/build/main.js:38157:37)                                                                                       @ t.invoketask (file:///android_asset/www/build/polyfills.js:3:10258)                                                                                       @ e.runtask (file:///android_asset/www/build/polyfills.js:3:7637)                                                                                       @ (file:///android_asset/www/build/polyfills.js:3:3707)  

i have checked integrity of packages , dependencies in project. not able fix issue. have idea why happening?

you have follow below steps hence have changed development environment.

step 1: remove platform

ionic platform rm android 

step 2: add platform

ionic platform add android 

step 3: build

ionic build  android 

step 4: run

ionic run android --device