It looks like you are running an empty Unity scene that doesn't have any Vuforia assets in it. Have you added an ARCamera and some target objects into your scene? You can also download the Vuforia samples from the Unity Asset Store for some example scenes.
Hello damojan,
It looks like you are running an empty Unity scene that doesn't have any Vuforia assets in it. Have you added an ARCamera and some target objects into your scene? You can also download the Vuforia samples from the Unity Asset Store for some example scenes.
Thanks,
Vuforia Engine Support