Emerald AI 2.4.0.1 broke the connection to the example player's model in example scenes made for Emerald AI 2.4.
If you want to reconnect the model so you can see it in example scenes, in the Project view inspect Assets / Emerald AI / Demo Source / AI Models / MikeMoose / Art / Models / Characters / MikeMoose, and drag MooseMesh into the GameObject's Skinned Mesh Renderer > Mesh field: