Error: Assertion Failed: You cannot make a new Ember.Application using a root element that is a descendent of an existing Ember.Application


#1

Hi, I’m trying to run tests in the browser, but I’m getting a lot of these errors:

“Error: Assertion Failed: You cannot make a new Ember.Application using a root element that is a descendent of an existing Ember.Application”

Can anyone shed any light on this?

(Its an ember app, nested inside a rails app, and also has ember-electron in the mix too)

I don’t get these errors when running tests in the console with headless chrome


#2

I am seeing this error too when trying to install storybook into a repo of an ember addon too. Not sure what is going on here either.


#3

I never did get to the bottom of this, but it went away when we upgraded Ember from version 2.18 to 3.5


#4

Thanks for that. I tried but didn’t seem to work for me. Still getting an error. Maybe because I updated via ember-cli?