failed to create new project after install this plugin (Redmine 3.2.1)

[baternest]

Failed to create new project after install this plugin
Does it Compatible with Redmine 3.2.1?
Thanks!

log:
Started GET "/redmine/projects/new"
Processing by ProjectsController#new as HTML
Current user: admin (id=1)
Rendered projects/_form.html.erb (18.4ms)
Rendered projects/new.html.erb within layouts/base (23.7ms)
Completed 500 Internal Server Error in 121ms (ActiveRecord: 10.5ms)

ActionView::Template::Error (private method open' called for nil:NilClass): 20: <p><%= f.check_box :inherit_members %></p> 21: <% end %> 22: 23: <% if @project.safe_attribute?('default_version_id') && (default_version_options = project_default_version_options(@project)).present? %> 24: <p><%= f.select :default_version_id, project_default_version_options(@project), :include_blank => true %></p> 25: <% end %> 26: app/helpers/projects_helper.rb:91:inproject_default_version_options'
app/views/projects/_form.html.erb:23:in _app_views_projects__form_html_erb__3753069175809780569_69947146431420' app/views/projects/new.html.erb:4:inblock in _app_views_projects_new_html_erb__3129752433457486066_69947146403140'
app/helpers/application_helper.rb:1030:in labelled_form_for' app/views/projects/new.html.erb:3:in_app_views_projects_new_html_erb__3129752433457486066_69947146403140'
lib/redmine/sudo_mode.rb:63:in `sudo_mode'