title: Ember: Assertion Failed: EmberObject.create no longer supports defining computed properties
body: <p>I was on Ember version 2.16 and we upgraded to 3.8. After version upgrade I am seeing this error but not able to figure out from where the error is coming. In what scenarios will I get this error. I saw one of the post:</p>
  
  <p><a href="https://stackoverflow.com/questions/14811838/dynamic-computed-properties-in-ember-js-deprecated">Dynamic computed properties in Ember.JS deprecated?</a></p>
  
  <p>But couldn't figure out the same in my code. </p>
  
  <p><a href="https://i.stack.imgur.com/vFV3I.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/vFV3I.png" alt="enter image description here"></a></p>