New posts not displaying TOC

Hi there,

I have the newest version of ETOC 2.0.15 and I noticed my new posts weren’t displaying any TOC. All old posts still do. I have not changed any settings.

Can you confirm there is a bug?

Page that is broken for reference: https://bigcupofcoffee.com/delibru/
Page that is working for reference: https://bigcupofcoffee.com/best-coffee-maker-with-a-grinder/

The page I need help with: [log in to see the link]