[Open Beta] Procedural On-the-Fly Animation in UE4: iTween!

Hello, I am frustrated and can’t seem to get it to work. It shows up in the plugin list, but when i select it, it tells me to restart. The problem is I can’t “compile”. Please look at these two images. PLEASE HELP, I CAN’T WAIT TO TRY THIS.Capture.Capture2.