Facebook told me :
Thank you for reaching us out.
Understand that you face an error message on your Instant Article.
Please note content guidelines and Partner Monetization Policie to follow.
Make sure you’re ready to submit with our Submission Checklist.
Please refer these to prevent any error on Article.
https://www.facebook.com/business/help/797818910402864?id=858706964600987
If you have any questions, please reach out to this thread for further clarifications.
We hope this clarifies and have a great day ahead.
Thanks.
————
So..
I have no idea..