TypeError: Cannot read property 'type' of undefined
at Store._pushInternalModel (-private.js:9132)
at -private.js:9113
at Backburner._run (backburner.js:1013)
at Backburner._join (backburner.js:989)
at Backburner.join (backburner.js:760)
at Store._push (-private.js:9098)
at -private.js:6606
at invokeCallback (rsvp.js:493)
at publish (rsvp.js:476)
at rsvp.js:19
That depends on what server you’re using. You can change your server to match https://jsonapi.org/, or you can write a custom serializer to make ember-data understand whatever format your server is using.