Redmine

Setting the target version to 5.1.8.

The patch causes an error when the watcher list contains a group.

ActionView::Template::Error (Association named 'email_address' was not found on Group; perhaps you misspelled it?):

Causes:
ActiveRecord::AssociationNotFoundError (Association named 'email_address' was not found on Group; perhaps you misspelled it?)
    11: <% if User.current.allowed_to?(:"view_#{watched_klass_name}_watchers", watched.project) %>
    12: <h3><%= l(:"label_#{watched_klass_name}_watchers") %> (<%= watched.watcher_users.size %>)</h3>
    13: 
    14: <%= watchers_list(watched) %>
    15: <% else %>
    16: <h3><%= l(:"label_#{watched_klass_name}_watchers") %></h3>
    17: <% end %>

app/helpers/watchers_helper.rb:53:in 'Enumerable#collect'
app/helpers/watchers_helper.rb:53:in 'WatchersHelper#watchers_list'
app/views/watchers/_watchers.html.erb:14
app/views/issues/show.html.erb:147
app/views/issues/show.html.erb:141
app/controllers/issues_controller.rb:125:in 'block (2 levels) in IssuesController#show'
app/controllers/issues_controller.rb:112:in 'IssuesController#show'
lib/redmine/sudo_mode.rb:78:in 'Redmine::SudoMode::Controller#sudo_mode'