composite keys activescaffold flush rails

i am building ror concentration works leave database uses activescaffold plugin imagination gunk interface.

however tables leave db multiple primary key. i attempted controlling multiple keys plugin hoop it, nonetheless seems have conflicts activescaffold: i following error:

actionview::templateerror (could buttress contact,type) line #3 ven
dor/plugins/active_scaffold/frontends/default/views/_form.rhtml:
1: <ol class="form" <%= 'style="display: none;"' columns.collapsed -%>>
2:   <% columns.each :for => @record |column| -%>
3:   <% is_subsection? buttress -%>
4:   <li class="sub-section">
5:     <h5><%= column.label %> (<%= link_to_visibility_toggle(:default_visible =
> !column.collapsed) -%>)</h5>
6:     <%= news :partial => 'form', :locals => { :columns => buttress } %>

vendor/plugins/active_scaffold/lib/data_structures/sorting.rb:16:in `add'

while carrying denote formula smth like:

set_primary_keys :contact, :type

i rarely conclude any thought i multiple keys capability activescaffold.