Forum: Ruby-Gnome 2 Cannot launch VR in Linux Xubuntu

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36a1f49a9f900c4842a88ca75e2a6b12?d=identicon&s=25 Brinson141@gmail.com Brinson (rbrinson)
on 2016-11-22 00:59
Running Linux Xubuntu 16.04 (64-bit) with GTK3
Ruby 2.3.1
Glade 3.18.3

VR installed without any issue. However, I cannot launch VR. I get the
message below. I am puzzled. Does anyone know how I can correct this?

randy@coach-randy:~$ vr
/var/lib/gems/2.3.0/gems/gobject-introspection-3.1.0/lib/gobject-introspection/loader.rb:37:in
`require': Typelib file for namespace 'GtkSource' (any version) not
found (GLib::Error)
  from
/var/lib/gems/2.3.0/gems/gobject-introspection-3.1.0/lib/gobject-introspection/loader.rb:37:in
`load'
  from
/var/lib/gems/2.3.0/gems/gtksourceview3-3.1.0/lib/gtksourceview3.rb:52:in
`init'
  from
/var/lib/gems/2.3.0/gems/gtksourceview3-3.1.0/lib/gtksourceview3.rb:37:in
`const_missing'
  from
/var/lib/gems/2.3.0/gems/visualruby-3.0.23/src/editor/VR_Document.rb:2:in
`<top (required)>'
  from
/var/lib/gems/2.3.0/gems/require_all-1.3.3/lib/require_all.rb:108:in
`require'
  from
/var/lib/gems/2.3.0/gems/require_all-1.3.3/lib/require_all.rb:108:in
`block in require_all'
  from
/var/lib/gems/2.3.0/gems/require_all-1.3.3/lib/require_all.rb:106:in
`each'
  from
/var/lib/gems/2.3.0/gems/require_all-1.3.3/lib/require_all.rb:106:in
`require_all'
  from
/var/lib/gems/2.3.0/gems/require_all-1.3.3/lib/require_all.rb:153:in
`block in require_rel'
  from
/var/lib/gems/2.3.0/gems/require_all-1.3.3/lib/require_all.rb:152:in
`each'
  from
/var/lib/gems/2.3.0/gems/require_all-1.3.3/lib/require_all.rb:152:in
`require_rel'
  from /var/lib/gems/2.3.0/gems/visualruby-3.0.23/vr:18:in
`load_everything'
  from /var/lib/gems/2.3.0/gems/visualruby-3.0.23/vr:41:in `block in
<top (required)>'
  from
/var/lib/gems/2.3.0/gems/gobject-introspection-3.1.0/lib/gobject-introspection/loader.rb:107:in
`invoke'
  from
/var/lib/gems/2.3.0/gems/gobject-introspection-3.1.0/lib/gobject-introspection/loader.rb:107:in
`block in define_singleton_method'
  from /var/lib/gems/2.3.0/gems/visualruby-3.0.23/vr:44:in `<top
(required)>'
  from /usr/local/bin/vr:22:in `load'
  from /usr/local/bin/vr:22:in `<main>'
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