Hello,

I tried to configure the overview page but without success. I put in an image that I uploaded via wiki, but now I always get an error. Where should I put the image which is missing?

F, [2016-11-28T13:55:58.102704 #8522] FATAL -- : 
ActionController::RoutingError (No route matches [GET] "/prabt.jpg"):
  vendor/bundle/ruby/2.1.0/gems/actionpack-4.2.7.1/lib/action_dispatch/middleware/debug_exceptions.rb:21:in `call'
  vendor/bundle/ruby/2.1.0/gems/actionpack-4.2.7.1/lib/action_dispatch/middleware/show_exceptions.rb:30:in `call'
...