def new
  @new_users = []
  params[:id].to_i.times do 
    @new_users << User.new
  end
end

  1 

  2 
  3   <%= error_messages_for :user %>
  4   
  5   <%= start_form_tag :action => 'new' %>
  6   
  7      
  8       
  9         
 10         
 11         
 12         
 13       
 14     
 15     
 16       <% @new_users.each_with_index do |user, index| %>
 17          <%= render :partial => 'fields', :locals => { :user => user, :index => index } %>
 18       <% end %>
 19     
 20     
 21       
 22         
 25       
 26     
 27   
Nimi
Salasõna
Salasõna uuesti
Amet

 23           <%= submit_tag "Lisa kasutaja(d)" %>
 24         
 28   <%= end_form_tag %>
 29 
 30 

  1 <% fields_for "user[#{index}]", user do |f| %>
  2   
  3     <%= f.text_field :login, :size => 14 %>
  4     <%= f.password_field :password, :size => 14 %>
  5     <%= f.password_field :password_confirmation, :size => 14 %>
  6     <%= form_permissions_select(f) %>
  7   
  8 <% end %>

stack level too deep

Extracted source (around line #0):

1: <% fields_for "user[#{index}]", user do |f| %>
2:   
3:     <%= f.text_field :login, :size => 14 %>

Full trace:
/usr/lib/ruby/gems/1.8/gems/activerecord-1.14.4/lib/active_record/base.rb:1777:in `method_missing'
/usr/lib/ruby/gems/1.8/gems/activerecord-1.14.4/lib/active_record/base.rb:1778:in `method_missing'
/usr/lib/ruby/gems/1.8/gems/activerecord-1.14.4/lib/active_record/base.rb:1581:in `hash'
/usr/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_view/base.rb:455:in `create_template_source'
/usr/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_view/base.rb:503:in `compile_template'
/usr/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_view/base.rb:307:in `compile_and_render_template'
/usr/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_view/base.rb:292:in `render_template'
/usr/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_view/base.rb:251:in `render_file'
/usr/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_view/base.rb:266:in `render'
/usr/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_view/partials.rb:59:in `render_partial'
/usr/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/benchmarking.rb:29:in `benchmark'
/usr/lib/ruby/1.8/benchmark.rb:293:in `measure'
/usr/lib/ruby/1.8/benchmark.rb:307:in `realtime'
/usr/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/benchmarking.rb:29:in `benchmark'
/usr/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_view/partials.rb:58:in `render_partial'
/usr/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_view/base.rb:278:in `render'
#{RAILS_ROOT}/app/views/users/new.rhtml:17:in `_run_rhtml_users_new'
#{RAILS_ROOT}/app/views/users/new.rhtml:16:in `_run_rhtml_users_new'
/usr/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_view/base.rb:316:in `compile_and_render_template'
/usr/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_view/base.rb:292:in `render_template'
/usr/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_view/base.rb:251:in `render_file'
/usr/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/base.rb:726:in `render_file'
/usr/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/base.rb:648:in `render_with_no_layout'
/usr/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/layout.rb:245:in `render_without_benchmark'
/usr/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/benchmarking.rb:53:in `render'
/usr/lib/ruby/1.8/benchmark.rb:293:in `measure'
/usr/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/benchmarking.rb:53:in `render'
/usr/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/base.rb:942:in `perform_action_without_filters'
/usr/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/filters.rb:368:in `perform_action_without_benchmark'
/usr/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/benchmarking.rb:69:in `perform_action_without_rescue'
/usr/lib/ruby/1.8/benchmark.rb:293:in `measure'
/usr/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/benchmarking.rb:69:in `perform_action_without_rescue'
/usr/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/rescue.rb:82:in `perform_action'
/usr/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/base.rb:408:in `process_without_filters'
/usr/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/filters.rb:377:in `process_without_session_management_support'
/usr/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/session_management.rb:117:in `process'
/usr/lib/ruby/gems/1.8/gems/rails-1.1.6/lib/dispatcher.rb:38:in `dispatch'
/usr/lib/ruby/gems/1.8/gems/rails-1.1.6/lib/webrick_server.rb:115:in `handle_dispatch'
/usr/lib/ruby/gems/1.8/gems/rails-1.1.6/lib/webrick_server.rb:81:in `service'
/usr/lib/ruby/1.8/webrick/httpserver.rb:104:in `service'
/usr/lib/ruby/1.8/webrick/httpserver.rb:65:in `run'
/usr/lib/ruby/1.8/webrick/server.rb:173:in `start_thread'
/usr/lib/ruby/1.8/webrick/server.rb:162:in `start_thread'
/usr/lib/ruby/1.8/webrick/server.rb:95:in `start'
/usr/lib/ruby/1.8/webrick/server.rb:92:in `start'
/usr/lib/ruby/1.8/webrick/server.rb:23:in `start'
/usr/lib/ruby/1.8/webrick/server.rb:82:in `start'
/usr/lib/ruby/gems/1.8/gems/rails-1.1.6/lib/webrick_server.rb:67:in `dispatch'
/usr/lib/ruby/gems/1.8/gems/rails-1.1.6/lib/commands/servers/webrick.rb:59
/usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:27:in `require'
/usr/lib/ruby/gems/1.8/gems/activesupport-1.3.1/lib/active_support/dependencies.rb:147:in `require'
/usr/lib/ruby/gems/1.8/gems/rails-1.1.6/lib/commands/server.rb:30
/usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:27:in `require'
/usr/lib/ruby/gems/1.8/gems/activesupport-1.3.1/lib/active_support/dependencies.rb:147:in `require'
script/server:3