Fix issue

app/controllers/context_menus_controller.rb

@@ -30,7 +30,7 @@ class ContextMenusController < ApplicationController
     @allowed_statuses = @issues.map(&:new_statuses_allowed_to).reduce(:&)
     @allowed_statuses = @issues.map(&:new_statuses_allowed_to).reduce(:&)
 
 
     @can = {:edit => @issues.all?(&:attributes_editable?),
     @can = {:edit => @issues.all?(&:attributes_editable?),
-            :log_time => (@project && User.current.allowed_to?(:log_time, @project) && !@issue.is_user_story?),
+            :log_time => (@project && User.current.allowed_to?(:log_time, @project) && !@issue&.is_user_story?),
             :copy => User.current.allowed_to?(:copy_issues, @projects) && Issue.allowed_target_projects.any?,
             :copy => User.current.allowed_to?(:copy_issues, @projects) && Issue.allowed_target_projects.any?,
             :add_watchers => User.current.allowed_to?(:add_issue_watchers, @projects),
             :add_watchers => User.current.allowed_to?(:add_issue_watchers, @projects),
             :delete => @issues.all?(&:deletable?)
             :delete => @issues.all?(&:deletable?)

app/views/issues/_action_menu.html.erb

 <div class="contextual">
 <div class="contextual">
 <%= link_to l(:button_edit), edit_issue_path(@issue), :onclick => 'showAndScrollTo("update", "issue_notes"); return false;', :class => 'icon icon-edit', :accesskey => accesskey(:edit) if @issue.editable? %>
 <%= link_to l(:button_edit), edit_issue_path(@issue), :onclick => 'showAndScrollTo("update", "issue_notes"); return false;', :class => 'icon icon-edit', :accesskey => accesskey(:edit) if @issue.editable? %>
-<%= link_to l(:button_log_time), new_issue_time_entry_path(@issue), :class => 'icon icon-time-add' if User.current.allowed_to?(:log_time, @project) && !@issue.is_user_story? %>
+<%= link_to l(:button_log_time), new_issue_time_entry_path(@issue), :class => 'icon icon-time-add' if User.current.allowed_to?(:log_time, @project) && !@issue&.is_user_story? %>
 <%= watcher_link(@issue, User.current) %>
 <%= watcher_link(@issue, User.current) %>
 <%= link_to l(:button_copy), project_copy_issue_path(@project, @issue), :class => 'icon icon-copy' if User.current.allowed_to?(:copy_issues, @project) && Issue.allowed_target_projects.any? %>
 <%= link_to l(:button_copy), project_copy_issue_path(@project, @issue), :class => 'icon icon-copy' if User.current.allowed_to?(:copy_issues, @project) && Issue.allowed_target_projects.any? %>
 <%= link_to l(:button_delete), issue_path(@issue), :data => {:confirm => issues_destroy_confirmation_message(@issue)}, :method => :delete, :class => 'icon icon-del' if @issue.deletable? %>
 <%= link_to l(:button_delete), issue_path(@issue), :data => {:confirm => issues_destroy_confirmation_message(@issue)}, :method => :delete, :class => 'icon icon-del' if @issue.deletable? %>

app/views/issues/_edit.html.erb

@@ -9,7 +9,7 @@
         </div>
         </div>
         </fieldset>
         </fieldset>
     <% end %>
     <% end %>
-    <% if User.current.allowed_to?(:log_time, @project) && !@issue.is_user_story? %>
+    <% if User.current.allowed_to?(:log_time, @project) && !@issue&.is_user_story? %>
         <fieldset class="tabular"><legend><%= l(:button_log_time) %></legend>
         <fieldset class="tabular"><legend><%= l(:button_log_time) %></legend>
         <%= labelled_fields_for :time_entry, @time_entry do |time_entry| %>
         <%= labelled_fields_for :time_entry, @time_entry do |time_entry| %>
         <div class="splitcontent">
         <div class="splitcontent">

app/views/timelog/index.html.erb

 <div class="contextual">
 <div class="contextual">
 <%= link_to l(:button_log_time),
 <%= link_to l(:button_log_time),
             _new_time_entry_path(@project, @query.filtered_issue_id),
             _new_time_entry_path(@project, @query.filtered_issue_id),
-            :class => 'icon icon-time-add' if User.current.allowed_to?(:log_time, @project, :global => true) && !@issue.is_user_story? %>
+            :class => 'icon icon-time-add' if User.current.allowed_to?(:log_time, @project, :global => true) && !@issue&.is_user_story? %>
 </div>
 </div>
 
 
 <h2><%= @query.new_record? ? l(:label_spent_time) : @query.name %></h2>
 <h2><%= @query.new_record? ? l(:label_spent_time) : @query.name %></h2>

app/views/timelog/report.html.erb

 <div class="contextual">
 <div class="contextual">
 <%= link_to l(:button_log_time),
 <%= link_to l(:button_log_time),
             _new_time_entry_path(@project, @issue),
             _new_time_entry_path(@project, @issue),
-            :class => 'icon icon-time-add' if User.current.allowed_to?(:log_time, @project, :global => true) && !@issue.is_user_story? %>
+            :class => 'icon icon-time-add' if User.current.allowed_to?(:log_time, @project, :global => true) && !@issue&.is_user_story? %>
 </div>
 </div>
 
 
 <h2><%= @query.new_record? ? l(:label_spent_time) : @query.name %></h2>
 <h2><%= @query.new_record? ? l(:label_spent_time) : @query.name %></h2>