So I'm looking up what I have on rhetorical criticism. I use the lookup command and ABD opens. I read the article then press on the + tab to see parallel articles. See picture:

I'm interested in the gospels in particular but DJG is not there. So I figure I can still read DNTB. As I finish up reading the article there, what do I see if not a reference to a corresponding entry in DJG! See second picture:

Why did it not show up in the tab from ABD?