My original Problem with demo crashing on i3wm has been resolved, Now I get the following error.

demo
Fetching demo...
Script: "Untitled" Version: none Date: none
Fetching GUI...
** Math error: math or number overflow
** Where: + repeat do update-panel actor all foreach do-actor case repeat do update-panel actor all foreach do-actor either -apply- apply case view catch either either -apply- do try demo
** Near: + min-heights/:i max-pane/y: either any [
max-pane/y = m...

Manjaro Linux, xfce4 with i3wm,
linux binary r3-view-linux 2014-02-21 16:03 from this repository.