License error. Plugins are only supported in Unity Pro!

Unity Engine
1

I downloaded unity sample apps from vuforia developer website. And click on the imagetargets-2-6-7 unity package file it open the ImageTarget unity app. I set AR camera and Dataset. But i got following error: License error. Plugins are only supported in Unity Pro!

WebCamBehaviour:CheckNativePluginSupport() (at Assets/Qualcomm Augmented Reality/Scripts/WebCamBehaviour.cs:176)
WebCamBehaviour:CheckNativePluginSupport() (at Assets/Qualcomm Augmented Reality/Scripts/WebCamBehaviour.cs:164)
WebCamEditor:OnInspectorGUI() (at Assets/Editor/QCAR/Scripts/WebCamEditor.cs:71)
UnityEditor.DockArea:OnGUI()

2

Make sure you have your deployment target set to either iOS or Android.