Redmine

Hello!
I use redmine 2.2.4
Plugins: Inline Note Images plugin, multiple files upload, plugins views revision, code review, DMSF, knoledgebase.
ruby: ruby 1.9.3p429 (2013-05-15) [i386-mingw32]

Greate new issue and add image in the same window.
Go to ussue, delete image and save.
When we want to open this issue, we have error.
Log:

Started GET "/issues/79" for x.x.x.x at 2013-05-28 17:18:33 +0400
Processing by IssuesController#show as HTML
Parameters: {"id"=>"79"}
Current user: snikolaev (id=17)
Rendered plugins/redmine_multiple_files_upload/app/views/issues/_action_menu.html.erb (0.0ms)
Rendered plugins/redmine_code_review/app/views/code_review/_issues_show_details_bottom.html.erb (0.0ms)
Rendered attachments/_links.html.erb (0.0ms)
Rendered issue_relations/_form.html.erb (0.0ms)
Rendered issues/_relations.html.erb (0.0ms)
Rendered plugins/redmine_inline_note_images_plugin/app/views/hooks/inline_image_hook/_inline_images_paste.erb (0.0ms)
Rendered issues/_history.html.erb (15.6ms)
Rendered issues/show.html.erb within layouts/base (31.2ms)
Completed 500 Internal Server Error in 62ms

ActionView::Template::Error (undefined method image?' for nil:NilClass):
3: <% attachments.push Attachment.find_by_id a.prop_key %>
4: <% end %>
5: 
6: <% images = attachments.select(&:image?) %>
7: <% if images.any? %>
8: <div class="journal attachments">
9: <% images.each do |image| %>
lib/redmine/hook.rb:111:inblock in render_on'
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/issues/_history.html.erb:19:in block in _app_views_issues__history_html_erb___555689525_64128756'
app/views/issues/_history.html.erb:2:ineach'
app/views/issues/_history.html.erb:2:in _app_views_issues__history_html_erb___555689525_64128756'
app/views/issues/show.html.erb:124:in_app_views_issues_show_html_erb___596774311_53900088'
app/controllers/issues_controller.rb:119:in block (2 levels) in show'
app/controllers/issues_controller.rb:116:inshow'

Can you help me?