Rails polymorphic association call model that doesn't exist -

i've problem call model doesn't exist. have model commandset on polymorphic association model recordlevelsecurity has securable field can contains ibmicommandset or commandset. i've 1 model ibmicommandset , commandset , it's of course commandset.so have tried find role recordlevelpermissionthat contains recordlevelsecurity's id.rails gives following error after attempt find role.

 def edit    @system_settings = @@system_settings    @role = role.find(params[:id], :include => {:record_level_permissions =>    {:record_level_security => :securable}})    set_view_only    if !params[:page] && !params[:list]     show_role     elsif params[:list]     render_list_partial    else     render_edit_partial    end  end  nameerror (uninitialized constant ibmicommandset):   org/jruby/rubyarray.java:1612:in `each'   org/jruby/rubyarray.java:1612:in `each'   org/jruby/rubykernel.java:2105:in `send'   org/jruby/rubyarray.java:1612:in `each'   org/jruby/rubyhash.java:1170:in `each'   org/jruby/rubyhash.java:1170:in `each'   org/jruby/rubyarray.java:1612:in `each'   app/controllers/roles_controller.rb:56:in `edit'   org/jruby/rubykernel.java:2093:in `send'   org/jruby/rubyproc.java:270:in `call'   org/jruby/rubyproc.java:220:in `call'   org/jruby/rubyproc.java:270:in `call'   org/jruby/rubyproc.java:220:in `call'   org/jruby/rubyproc.java:270:in `call'   org/jruby/rubyproc.java:220:in `call'   org/jruby/rubyproc.java:270:in `call'   org/jruby/rubyproc.java:220:in `call'   org/jruby/rubyproc.java:270:in `call'   org/jruby/rubyproc.java:220:in `call'   org/jruby/rubyproc.java:270:in `call'   org/jruby/rubyproc.java:220:in `call'   org/jruby/rubyproc.java:270:in `call'   org/jruby/rubyproc.java:220:in `call'   org/jruby/rubyproc.java:270:in `call'   org/jruby/rubyproc.java:220:in `call'   org/jruby/rubyproc.java:270:in `call'   org/jruby/rubyproc.java:220:in `call'   org/jruby/rubyproc.java:270:in `call'   org/jruby/rubyproc.java:220:in `call'   org/jruby/rubyproc.java:270:in `call'   org/jruby/rubyproc.java:220:in `call'   org/jruby/rubyproc.java:270:in `call'   org/jruby/rubyproc.java:220:in `call'   org/jruby/rubyproc.java:270:in `call'   org/jruby/rubyproc.java:220:in `call'   org/jruby/rubyproc.java:270:in `call'   org/jruby/rubyproc.java:220:in `call'   org/jruby/rubyproc.java:270:in `call'   org/jruby/rubyproc.java:220:in `call'   org/jruby/rubyproc.java:270:in `call'   org/jruby/rubyproc.java:220:in `call'   org/jruby/rubyproc.java:270:in `call'   org/jruby/rubyproc.java:220:in `call'   org/jruby/rubyproc.java:270:in `call'   org/jruby/rubyproc.java:220:in `call'   org/jruby/rubyproc.java:270:in `call'   org/jruby/rubyproc.java:220:in `call'   org/jruby/rubyproc.java:270:in `call'   org/jruby/rubyproc.java:220:in `call'   org/jruby/rubyproc.java:270:in `call'   org/jruby/rubyproc.java:220:in `call'   org/jruby/rubyproc.java:270:in `call'   org/jruby/rubyproc.java:220:in `call'   org/jruby/rubyproc.java:270:in `call'   org/jruby/rubyproc.java:220:in `call'   org/jruby/rubyproc.java:270:in `call'   org/jruby/rubyproc.java:220:in `call'   org/jruby/rubyproc.java:270:in `call'   org/jruby/rubyproc.java:220:in `call'   org/jruby/rubyproc.java:270:in `call'   org/jruby/rubyproc.java:220:in `call'   org/jruby/rubyproc.java:270:in `call'   org/jruby/rubyproc.java:220:in `call'   org/jruby/rubyproc.java:270:in `call'   org/jruby/rubyproc.java:220:in `call'   org/jruby/rubyproc.java:270:in `call'   org/jruby/rubyproc.java:220:in `call'   org/jruby/rubyproc.java:270:in `call'   org/jruby/rubyproc.java:220:in `call'   org/jruby/rubyproc.java:270:in `call'   org/jruby/rubyproc.java:220:in `call'   org/jruby/rubyproc.java:270:in `call'   org/jruby/rubyproc.java:220:in `call'