Instance of the following were suppressed or opened from new location when this file was opened

I get this warning when I open a drawing.  It says a file is missing.  How can I figure out where this is used in the drawing.  I have narrowed it down to two sheets by deleting sheets, and it seems like its related to a BOM, but is there a way to get solidworks to tell me exactly where the issue is.

SolidworksDrawings And Detailing