Redmine - 500 Internal Server Error

I've tried to install the Auto Identifier Plugin on my Redmine 2.0.3. (https://github.com/saintxseiya/redmine-auto-identifier) After installing and restart I get the following error:

Started GET "/redmine/projects/new" for 84.163.12.95 at Wed Sep 19 12:42:58 +0200 2012 Processing by ProjectsController#new as HTML

Rendered projects/_form.html.erb (308.0ms) Rendered projects/new.html.erb within layouts/base (842.0ms)

Completed 500 Internal Server Error in 1320ms

ActionView::Template::Error (Missing partial projects/js_autocomplete, application/js_autocomplete with {:locale=>[:de, :en], :formats=>[:html], :handlers=>[:rjs, :erb, :rsb, :builder]}.

Searched in:

• "C:/REDMINE/apps/redmine/htdocs/plugins/redmine_searchable_project_jump_box/app/views"
• "C:/REDMINE/apps/redmine/htdocs/plugins/redmine_multiple_files_upload/app/views"

• "C:/REDMINE/apps/redmine/htdocs/app/views"):

  20: <% @project.custom_field_values.each do |value| %>

  21: <%= custom_field_tag_with_label :project, value %>

  22: <% end %>

  23: <%= call_hook(:view_projects_form, :project => @project, :form => f) %>

  24:

  25:

  26: <% if @project.new_record? %>

lib/redmine/hook.rb:111:in `send'

lib/redmine/hook.rb:111:in `view_projects_form'

lib/redmine/hook.rb:61:in `send'

lib/redmine/hook.rb:61:in `call_hook'

lib/redmine/hook.rb:61:in `each'

lib/redmine/hook.rb:61:in `call_hook'

lib/redmine/hook.rb:58:in `tap'

lib/redmine/hook.rb:58:in `call_hook'

lib/redmine/hook.rb:158:in `call_hook'

app/views/projects/_form.html.erb:23:in `_app_views_projectsform_html_erb262164738_90525756'

app/views/projects/new.html.erb:4:in `_app_views_projects_new_html_erb__97284478_93977364'

app/helpers/application_helper.rb:950:in `labelled_form_for'

app/views/projects/new.html.erb:3:in `_app_views_projects_new_html_erb__97284478_93977364'

Any Advice or suggestions? Thank you!