Not working with 2.6.6

[thomasshaw85]

Hi,

I thought I would give this plugin a go but I cannot get it working on redmine 2.6.6

The following is thrown to the log file.

Started GET "/redmine/projects/complaints/settings" for 10.58.15.43 at 2015-11-04 15:19:40 +0000
Processing by ProjectsController#settings as HTML
Parameters: {"id"=>"complaints"}
Current user: shawt (id=1)
Rendered projects/_form.html.erb (28.9ms)
Rendered projects/_edit.html.erb (29.9ms)
Rendered common/_tabs.html.erb (32.0ms)
Rendered projects/settings.html.erb within layouts/base (32.6ms)
Completed 500 Internal Server Error in 49.8ms

ActionView::Template::Error (undefined method default_assignee_id' for #<Project:0xc1fbba0>): 25: <% @project.custom_field_values.each do |value| %> 26: <p><%= custom_field_tag_with_label :project, value %></p> 27: <% end %> 28: <%= call_hook(:view_projects_form, :project => @project, :form => f) %> 29: </div> 30: 31: <% if @project.new_record? %> lib/redmine/views/labelled_form_builder.rb:38:inselect'
lib/redmine/hook.rb:61:in block (2 levels) in call_hook' lib/redmine/hook.rb:61:ineach'
lib/redmine/hook.rb:61:in block in call_hook' lib/redmine/hook.rb:58:intap'
lib/redmine/hook.rb:58:in call_hook' lib/redmine/hook.rb:158:incall_hook'
app/views/projects/_form.html.erb:28:in _app_views_projects__form_html_erb___295442028_96405540' app/views/projects/_edit.html.erb:2:inblock in _app_views_projects__edit_html_erb__211858186_96354800'
app/helpers/application_helper.rb:1056:in labelled_form_for' app/views/projects/_edit.html.erb:1:in_app_views_projects__edit_html_erb__211858186_96354800'
app/views/common/_tabs.html.erb:22:in block in _app_views_common__tabs_html_erb___940505001_96227130' app/views/common/_tabs.html.erb:21:ineach'
app/views/common/_tabs.html.erb:21:in _app_views_common__tabs_html_erb___940505001_96227130' app/helpers/application_helper.rb:328:inrender_tabs'
app/views/projects/settings.html.erb:3:in `_app_views_projects_settings_html_erb___685781069_96110010'