OpenProject 4.0.9
Ubuntu Server 14.04
Ruby 2.1.5
Rails 3.2.21

There is another thread where the user states he cannot access any work packages at all. In my case, I already have well over 200 work packages scattered across a few different projects, and am able to access most of them to view, update, etc.

I added a work package to a particular project, and got the Internal Server Error response. When I go back to the work package list, the package is there, but I can not open it individually to see the details. I get a response of 500 Internal Server Error. I can right click on it and choose Edit from the context-sensitive menu to bring it up in Edit mode. Here is the output of my production.log file:

Started GET "/work_packages/229" for 65.100.89.54 at 2015-05-08 13:54:37 -0600
Processing by WorkPackagesController#show as HTML
  Parameters: {"id"=>"229"}
OpenProject User: Mike (mike ID: 1 <mikes@email.address>)
  Rendered /home/openproject/.rvm/gems/ruby-2.1.5/bundler/gems/openproject-costs-bbb9f2e2298a/app/views/hooks/costs/_view_work_package_show_action_menu.html.erb (2.2ms)
  Rendered work_packages/_action_menu.html.erb (13.0ms)
  Rendered layouts/_action_menu_base.html.erb (0.2ms)
  Rendered layouts/_action_menu_specific.html.erb (0.4ms)
  Rendered accessibility/_empty_element_tag.html.erb (0.6ms)
  Rendered accessibility/_empty_element_tag.html.erb (0.1ms)
  Rendered work_packages/_show_attributes.html.erb (55.7ms)
  Rendered work_packages/show.html.erb within layouts/base (84.7ms)
Completed 500 Internal Server Error in 179.2ms

ActionView::Template::Error (undefined method `attribute' for nil:NilClass):
    29: 
    30: <div class="work_package issue details">
    31:   <div class="meta">
    32:     <% attributes = work_package_show_attributes(work_package) %>
    33:     <div id="left" style="float:left; width:50%;">
    34:       <table class="attributes">
    35:         <% attributes[:left].each do |attribute| %>
  lib/redmine/hook.rb:73:in `block (2 levels) in call_hook'
  lib/redmine/hook.rb:73:in `each'
  lib/redmine/hook.rb:73:in `block in call_hook'
  lib/redmine/hook.rb:70:in `tap'
  lib/redmine/hook.rb:70:in `call_hook'
  lib/redmine/hook.rb:174:in `call_hook'
  app/helpers/work_packages_helper.rb:606:in `hook_attributes'
  app/helpers/work_packages_helper.rb:313:in `work_package_show_attribute_list'
  app/helpers/work_packages_helper.rb:324:in `work_package_show_attributes'
  app/views/work_packages/_show_attributes.html.erb:32:in `_app_views_work_packages__show_attributes_html_erb___941241047244964995_70206497921580'
  app/views/work_packages/show.html.erb:52:in `_app_views_work_packages_show_html_erb__3315270148679872121_70206497046280'
  app/controllers/work_packages_controller.rb:75:in `block (2 levels) in show'
  app/controllers/work_packages_controller.rb:73:in `show'

I’m still a toddler when it comes to understanding Ruby and how it works. All of the work packages in this one project have this problem. Other work packages in other projects in the system I am able to pull up and view with no problem, so I don’t know what the difference is, and I can’t tell how to reproduce it. Creating a copy of the project, and automatically copying the work packages did not work—I simply ended up with another project with the same problems.

So, I manually created a new duplicate project and re-entered all of the work packages one-by-one, and all the work packages in this “new” project work flawlessly. So I get the feeling that it is something in my data that has corrupted the project and I need to examine my data and settings more closely. But if anybody thinks they know what is wrong from what I’ve posted, I’m all ears for the answer.

Thanks,

Mike