The type or namespace name `PostProcessing' does not exist in the namespace `UnityEngine.Rendering'

Question

Do someone know how to fix this? I got this error after importing Cinemachine from the Unity Asset Store. I'm using Unity 2018.1.0f2 and have no problems with 2017.3.1f1

Error

The type or namespace name PostProcessing does not exist in the namespace UnityEngine.Rendering

Answer 1

Using Unity 2018.2 --

Go to Window>Package Manager Click on the All tab Find Postprossessing and import Find Cinemachine and import

Answer 2

here's something that should work - it worked for me! go to window > package manager. search for postprocessing and click install. wait for it to download. close package manager. DONE!