# Integration with firebase

**URL:** <https://forum.ionicframework.com/t/integration-with-firebase/72610>\
**Category:** ionic-v3\
**Created:** [December 8, 2016, 9:36am UTC](https://forum.ionicframework.com/t/integration-with-firebase/72610 "2016-12-08T09:36:03Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![felek](https://avatars.discourse-cdn.com/v4/letter/f/ba9def/32.png) [@felek](https://forum.ionicframework.com/u/felek)\
**Post date:** [December 8, 2016, 9:36am UTC](https://forum.ionicframework.com/t/integration-with-firebase/72610/1 "2016-12-08T09:36:03Z")

</div>

Hi, I follow tutorial,

> **[Ionic Services Docs](http://legacy-cloud-docs.ionic.io)**
>
> Documentation for the Ionic Services Service: Push, Users, Package, and Deploy

I integrate login via firebase. Create my andoid app and while run app i get error  
" Error: Uncaught (in promise): 12501 "  
Any one help what that might mean ? And how to fix it ?