Alright.
1. You must use Verx's cas importer exporter. Import a model cas.
Usually found in data/models_unit

2. Do what Elessar said.

Note: In the models_unit folder there are a few models which cas importer has trouble reading. It will present an error (something about the model being incompatible). Avoid using those.

Edit: I see that you have "Import Animations" and "Force Texture Path' ticked off in the Import. Untick "Import Animations".

Mine looks like this:



Which leads me to believe that you are using an outdated cas i/e.