Some pages which ought to have backlinks, don’t, such as this one: ⭐️ Internal Family Systems - The Integral Guide to Well-Being
Whereas most pages pages do have backlinks: 💡 Parts - The Integral Guide to Well-Being
This is true whether using the default theme or my custom theme.
Steps to reproduce
I don’t know what causes it. 
Additional information
I don’t know what else might be helpful. I’m happy to provide more.
<3