`UnityEngine.GameObject.AddComponent(string)' is obsolete:

Questions & Answers
1

How do I fix this code?

go.AddComponent(“MeshRenderer”);

2

The alternative seems to be (C#)

go.AddComponent<MeshRenderer>();

or (JS)

go.AddComponent(MeshRenderer);

as defined here: Unity - Scripting API: GameObject.AddComponent

I would recommend specifying a language in the future, particularly for small code samples like yours. Using C#, I don’t get that error (on v1.6.0b20), so I’m assuming this is JS code, but on that note, a version might be helpful as well, especially when referencing something as “obsolete” or “deprecated”.