Have new laptop, fresh install of OS (LinuxMint 18.1). Installed rvm and ruby 2.4.0
Have used Middleman (MM) with success and delight for several years, but I'm a psychotherapist not a CS professional. I am encountering an error in the MM install process that is way over my head to fix.
Here's the terminal output:
Would much appreciate help in getting past this. I badly need to get back to work on my website.
Thanks so much for any help offered.