Could not load model.../admin/model/localisation/country.php

Hi,

I have a error message when I Push system/setting/Your store/edit button or system/localization/countries button

Notice: Error: Could not load model /home/html/dadowsky.com/public_html/_sub/oros/admin/model/localisation/country.php! in /home/html/dadowsky.com/public_html/_sub/oros/system/modification/system/engine/loader.php on line 24

Could you help me in this case?

I would like to change logo, but this message is written...

Thanks for yours reply,
David

We are using Opencart 2.0.1.1. version