Address `ActionController::RoutingError: No route matches [GET]` Rollbar Errors

[aaronskiba]

Please complete the following fields as applicable:

What version of the DMPRoadmap code are you running? (e.g. v2.2.0)

• 4.0.2+portage-4.0.3

Expected behaviour:

• The following page is rendered when a user tries to navigate to a bad url. A 404 error code should probably result as well.
  

Actual behaviour:

• An ActionController::RoutingError is triggered, which is then reported on rollbar.
  

[aaronskiba]

Jupiter's Rollbar config simply ignores ActionController::RoutingError:
config.exception_level_filters['ActionController::RoutingError'] = 'ignore'
https://github.com/ualbertalib/jupiter/blob/22a98097e48e4fa3b2522b18b864244adf40927c/config/initializers/rollbar.rb#L34

Another option:
How to Handle an ActionController::Routing Error