After installing the plugin, when creating a new issue I've got a 500 with :
ActiveRecord::DangerousAttributeError (delay is defined by ActiveRecord):
app/models/issue_relation.rb:89:in `initialize'
app/controllers/issues_controller.rb:123:in `new'
app/controllers/issues_controller.rb:123:in `show'
After installing the plugin, when creating a new issue I've got a 500 with :