You know that you can double click in the formula tracing window to jump to the other cell.
In Visio 2016 it will always result in a crash if you have "Open each ShapeSheet in the same window" checked.
(it doesn't crash if the trace is in the same shapesheet, because it doesn't have to open a new shapesheet)
As a reference point, works fine in V2007 Std on Win10...with or without Open each ShapeSheet in same window selected.
Wapperdude
Good find.
Claim your bug bounty.