I found the problem - I didn't realize that I needed to download a platform ruby file to support the plugin I was trying to install. I'll make sure to read more carefully next time!

Hi!
I am really excited to use your tools in Sketchup. However, I ran into a problem while starting up Sketchup. Attached is an image of the error box that I see upon starting Sketchup. Let me know what can be done. Thanks!

Hi,

I am really excited to use your tool for Sketchup but this message appears when I start up Sketchup. (see attachment) Let me know what can be done. Thanks!