cannot load such file sonos (LoadError)

[bkvargyas]

Just installed on a new older pi with 'jessie' distro.... evertyhing installed, compiled....however, when I try to run ghosty and a command I get the following error ---

The daemon and web server is running.

pi@raspberrypi /opt/ghosty/bin $ ./ghosty
/usr/local/lib/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:54:in require': cannot load such file -- sonos (LoadError) from /usr/local/lib/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:54:inrequire'
from /opt/ghosty/lib/ghosty/scheduler.rb:1:in <top (required)>' from /usr/local/lib/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:54:inrequire'
from /usr/local/lib/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:54:in require' from /opt/ghosty/lib/ghosty.rb:4:in<top (required)>'
from /usr/local/lib/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:54:in require' from /usr/local/lib/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:54:inrequire'
from ./ghosty:5:in `

'