Hello, I have followed the 3D game tutorial, all works except the interaction ring using the walking dead template. When clicking on the inventory item. I have found the behavior to be the following.
The Inventory interaction ring displays and works only when it's first interacted with, If I hovered over any other hot spot first(interactive ring for that hot spot shows) and click on the inventory item, the interactive ring no longer shows for the inventory item.
I'm using AC 1.51 and the latest Unity 5.3.6f1 
                
Comments
Please first upgrade to v1.52a - it's always important to be using the latest version before reporting bugs.
The Walking Dead interface is not designed for the Interaction Menu to be used with Inventory. With this interface, inventory items can be clicked on once to initiate a single interaction. Have you changed the Inventory interactions field in your Settings Manager to Multiple? That would cause the Interaction open to then open, and ought to treat Inventory items like Hotspots.
Please describe any changes you have made to the downloaded Managers, and post shots of your Manager along with screens of the bug itself in-game - we need to be more fully clear of the issue for us to help more fully. In particular, the location of the problematic elements on screen - i.e. is the Inventory Menu positioned directly on top of the Hotspot?