I am pretty sure that I have not caused this ... I ran a BWS from the context menu in Acts 4:33, using the Lemma.
There are considerable blank entries. I can see the text in a pop-up windows when I hover of the resource link but not in the BWS window itself.
Moving the guide into a floating window and refreshing it does not have any effect ... it is the same resources that do not want to play nicely.

Logos Bible Software 6.7 Beta 1. 6.7.0.0007 running on El Capitan