controller_name = facility_datatypes_v6s
no implicit conversion of Float into String
ActionView::Template::Error
 app/lib/td_tag.rb:829:in `+'
 app/lib/td_tag.rb:829:in `td_disp'
 app/lib/td_tag.rb:436:in `td'
 app/views/facility_datatypes_v6s/_facility_datatypes_v6s.erb:66
 app/views/facility_datatypes_v6s/_facility_datatypes_v6s.erb:57
 app/views/facility_datatypes_v6s/index.html.erb:10