[Airbrake] [Production] The action 'index' could not be found for SessionsController

[PhilippMeissner]

Airbrake error: #4556
Airbrake project: zeitkit

Error type: AbstractController::ActionNotFound
Error message: The action 'index' could not be found for SessionsController
Where: sessions#index
Occurred at: Sep 28, 2018 16:41:51 UTC
First seen at: Sep 28, 2018 16:41:51 UTC
Occurrences: 0 (0 since last deploy on <no information>)
Severity: error

URL: https://www.zeitkit.com/sessions
File: [GEM_ROOT]/gems/actionpack-4.2.10/lib/abstract_controller/base.rb

Backtrace:

[GEM_ROOT]/gems/actionpack-4.2.10/lib/abstract_controller/base.rb:132:in process
[GEM_ROOT]/gems/actionview-4.2.10/lib/action_view/rendering.rb:30:in process
[GEM_ROOT]/gems/actionpack-4.2.10/lib/action_controller/metal.rb:196:in dispatch
[GEM_ROOT]/gems/actionpack-4.2.10/lib/action_controller/metal/rack_delegation.rb:13:in dispatch