# Error in example with Wolfram Engine & Unity

Posted 3 months ago
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 I am using the Wolfram Engine 12.2 and Unity 2020.3.3f1 on Windows 10 20H2. When I try to open the roll-a-ball example I get several error messages. In[3]:= < saveUnityScene[net_, First[file]].Get::noopen: Cannot open C:\Users\janme\AppData\Roaming\WolframEngine\Paclets\ Repository\UnityLink-2020.02.02\Kernel\UnityEditor.m.
 Hi Jan.I'm a n00b, but I've found you need to activate Unitylink first . In your example << is "Get" not "Needs" EDIT Since writing this I've seen that Get seems to be synonymous with Needs, but even so, try it this way and let us know. Needs["UnityLink"] and then UnityOpen["ExampleData/roll-a-ball"]