Please Help me I wanna Configure suricata with snorby bt havin error over here

ubuntu@ubuntu:/var/www/snorby$ bundle exec rake snorby:setup --trace
rake aborted!
(<unknown>): could not find expected ':' while scanning a simple key at line 17 column 1
/home/ubuntu/.rbenv/versions/2.2.3/lib/ruby/2.2.0/psych.rb:370:in `parse'
/home/ubuntu/.rbenv/versions/2.2.3/lib/ruby/2.2.0/psych.rb:370:in `parse_stream'
/home/ubuntu/.rbenv/versions/2.2.3/lib/ruby/2.2.0/psych.rb:318:in `parse'
/home/ubuntu/.rbenv/versions/2.2.3/lib/ruby/2.2.0/psych.rb:245:in `load'
/var/www/snorby/config/application.rb:39:in `<module:Snorby>'
/var/www/snorby/config/application.rb:14:in `<top (required)>'
/var/www/snorby/Rakefile:4:in `require'
/var/www/snorby/Rakefile:4:in `<top (required)>'
/home/ubuntu/.rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/rake-0.9.2/lib/rake/rake_module.rb:25:in `load'
/home/ubuntu/.rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/rake-0.9.2/lib/rake/rake_module.rb:25:in `load_rakefile'
/home/ubuntu/.rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/rake-0.9.2/lib/rake/application.rb:495:in `raw_load_rakefile'
/home/ubuntu/.rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/rake-0.9.2/lib/rake/application.rb:78:in `block in load_rakefile'
/home/ubuntu/.rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/rake-0.9.2/lib/rake/application.rb:129:in `standard_exception_handling'
/home/ubuntu/.rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/rake-0.9.2/lib/rake/application.rb:77:in `load_rakefile'
/home/ubuntu/.rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/rake-0.9.2/lib/rake/application.rb:61:in `block in run'
/home/ubuntu/.rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/rake-0.9.2/lib/rake/application.rb:129:in `standard_exception_handling'
/home/ubuntu/.rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/rake-0.9.2/lib/rake/application.rb:59:in `run'
/home/ubuntu/.rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/rake-0.9.2/bin/rake:32:in `<top (required)>'
/home/ubuntu/.rbenv/versions/2.2.3/bin/rake:23:in `load'
/home/ubuntu/.rbenv/versions/2.2.3/bin/rake:23:in `<main>'