I had ONE LAST thing to square away before I was finished...

I have an assembly with a number of virtual parts and assemblies. Things like tubes, routes, and raw material simply cut to length (square tubing, weldments, etc) we leave as virtual so as not to clog up our PDM.

In the file open dialog, I took a peek at the references dialog. Virtual parts show "" like they normally do.

Click open.

All of my virtual parts (in this assembly level only, mind you) are suppressed with the exclamation /!\\ error next to them.

I tried to open one of them, and got this:

I pulled up the properties for the part, and found this:

Where did my parts go, and how can I guide Solidworks back to them?

SW 2014 x64 SP 5.0

TIA