NoMethodError after course refresh times out

[nygrenh]

I, [2016-09-29T12:47:14.656054 #5733]  INFO -- : [D8E87AD6-8642-11E6-B378-7B155001D3F1] Started GET "/staging/setup/hy/course/new/custom" for <snip> at 2016-09-29 12:47:14 +0000
I, [2016-09-29T12:47:14.659769 #5733]  INFO -- : [D8E87AD6-8642-11E6-B378-7B155001D3F1] Processing by Setup::CourseDetailsController#custom as HTML
I, [2016-09-29T12:47:14.659831 #5733]  INFO -- : [D8E87AD6-8642-11E6-B378-7B155001D3F1]   Parameters: {"organization_id"=>"hy"}
I, [2016-09-29T12:47:14.663920 #5733]  INFO -- : [D8E87AD6-8642-11E6-B378-7B155001D3F1] Completed 500 Internal Server Error in 4ms
F, [2016-09-29T12:47:14.665595 #5733] FATAL -- : [D8E87AD6-8642-11E6-B378-7B155001D3F1] 
NoMethodError (undefined method `id' for nil:NilClass):
  app/controllers/setup/setup_controller.rb:73:in `add_phase'
  app/controllers/setup/setup_controller.rb:66:in `block in print_setup_phases'
  app/controllers/setup/setup_controller.rb:54:in `each'
  app/controllers/setup/setup_controller.rb:54:in `each_with_index'
  app/controllers/setup/setup_controller.rb:54:in `print_setup_phases'
  app/controllers/setup/course_details_controller.rb:17:in `custom'