NoMethodError: undefined method `feature_available?' for nil:NilClass
https://sentry.gitlab.net/gitlab/gitlabcom/issues/1199982/
NoMethodError: undefined method `feature_available?' for nil:NilClass
ee/groups/application_controller.rb:9:in `check_group_feature_available!'
render_404 unless group.feature_available?(feature)
ee/groups/application_controller.rb:15:in `method_missing'
check_group_feature_available!(Regexp.last_match(1).to_sym)
active_support/callbacks.rb:426:in `block in make_lambda'
target.send(method, *arguments, &block)
active_support/callbacks.rb:198:in `block (2 levels) in halting'
result_lambda = -> { user_callback.call target, value }
abstract_controller/callbacks.rb:34:in `block (2 levels) in <module:Callbacks>'
terminator: ->(controller, result_lambda) { result_lambda.call; controller.performed? },
...
(134 additional frame(s) were not displayed)
NoMethodError: undefined method `feature_available?' for nil:NilClass