error with ruby-progressbar

[fotrjhay]

(most recent call last): 0% Progress
17: from ./EmailGen.rb:70:in <main>' 16: from /home/User/Desktop/tools/EmailGen/lib/e.rb:71:in scan'
15: from /usr/lib/ruby/vendor_ruby/ruby-progressbar/base.rb:97:in progress=' 14: from /usr/lib/ruby/vendor_ruby/ruby-progressbar/base.rb:177:in update_progress'
13: from /usr/lib/ruby/vendor_ruby/ruby-progressbar/output.rb:44:in with_refresh' 12: from /usr/lib/ruby/vendor_ruby/ruby-progressbar/output.rb:48:in refresh'
11: from /usr/lib/ruby/vendor_ruby/ruby-progressbar/throttle.rb:22:in choke' 10: from /usr/lib/ruby/vendor_ruby/ruby-progressbar/output.rb:51:in block in refresh'
9: from /usr/lib/ruby/vendor_ruby/ruby-progressbar/output.rb:64:in print_and_flush' 8: from /usr/lib/ruby/vendor_ruby/ruby-progressbar/outputs/tty.rb:16:in bar_update_string'
7: from /usr/lib/ruby/vendor_ruby/ruby-progressbar/base.rb:123:in to_s' 6: from /usr/lib/ruby/vendor_ruby/ruby-progressbar/format/formatter.rb:7:in process'
5: from /usr/lib/ruby/vendor_ruby/ruby-progressbar/format/formatter.rb:7:in each' 4: from /usr/lib/ruby/vendor_ruby/ruby-progressbar/format/formatter.rb:8:in block in process'
3: from /usr/lib/ruby/vendor_ruby/ruby-progressbar/format/molecule.rb:54:in lookup_value' 2: from /usr/lib/ruby/vendor_ruby/ruby-progressbar/components/percentage.rb:13:in percentage'
1: from /usr/lib/ruby/vendor_ruby/ruby-progressbar/progress.rb:92:in percentage_completed' /usr/lib/ruby/vendor_ruby/ruby-progressbar/progress.rb:92:in to_i':