Sampler not loading assets and extremely so in attempting to do so!

I have been using sampler to create tile textures for a couple of years now.  Back in April I created a dolomite collection and I want to expand that collection by adding a new pattern (herringbone).  I last visited this file in April of this year and all was working well.  Now when I open the file everything is just spinning (see attache) and it says my assets are not available.  I suspect the software is having trouble reading the paths to my files. 

I can’t even find a way to replace the assets with new bitmaps as everything just keeps spinning nor can I open some of the layers to see how I might have set the hue and saturation of the image so that I can recreate these substances in a new file.

This is the absolute buggiest software I have ever used.  This project is due tomorrow and suspect I won’t hear from support for several weeks.  I think I’m done with Substance!