404 when trying to use direct embedding

Hi There,

I am trying to embed a model using the sdv.js library using the following example: https://codepen.io/ShapeDiver/pen/oNvoBxb

The original model works fine, but when I try to use my own ticket I see an 404 XHR error. I tried different settings (public/private, whitelisted domains, modelViewUrl) but nothing seems to work.

The ticket I am using is:

I solved this issue by using the modelViewUrl of the test system, see the answer below: