Can't create Facebook Ad creative with a facebook app in a development mode

Question

I am working on a FB app for creating Facebook Ads. In the past I was able to debug the whole FB Ad creation process in a development mode but suddenly I started getting this er

Answer 1

We had the same issue and found a workaround that fixed it.

We created a new basic facebook-app with no additional permissions and published it right away.

We then added ourselves as admins and could create creatives through the marketing api again.

Hope this helps you