$ clockwork clock.rb/Users/lurraca/.rvm/gems/ruby-1....@shop.pr/gems/activesupport-3.2.11/lib/active_support/duration.rb:107:in `method_missing': undefined method `public_instance_methods' for 604800:Fixnum (NoMethodError)from /Users/lurraca/.rvm/gems/ruby-1....@shop.pr/gems/sinatra-1.4.3/lib/sinatra/base.rb:1903:in `block in register'from /Users/lurraca/.rvm/gems/ruby-1....@shop.pr/gems/sinatra-1.4.3/lib/sinatra/base.rb:1903:in `map'from /Users/lurraca/.rvm/gems/ruby-1....@shop.pr/gems/sinatra-1.4.3/lib/sinatra/base.rb:1903:in `register'from /Users/lurraca/.rvm/gems/ruby-1....@shop.pr/gems/sinatra-1.4.3/lib/sinatra/base.rb:1917:in `block (2 levels) in delegate'from /Users/lurraca/.rvm/gems/ruby-1....@shop.pr/gems/clockwork-0.5.2/lib/clockwork.rb:173:in `every'from /Users/lurraca/Desktop/projects/pixelpt/shop.pr-web.rails/clock.rb:12:in `<top (required)>'from /Users/lurraca/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:55:in `require'from /Users/lurraca/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:55:in `require'from /Users/lurraca/.rvm/gems/ruby-1....@shop.pr/gems/clockwork-0.5.2/bin/clockwork:12:in `<top (required)>'from /Users/lurraca/.rvm/gems/ruby-1....@shop.pr/bin/clockwork:23:in `load'from /Users/lurraca/.rvm/gems/ruby-1....@shop.pr/bin/clockwork:23:in `<main>'I find it weird that is mentioning sinatra (some conflict between rails and sinatra?). Here'a gist with my clock.rb https://gist.github.com/lurraca/5872705