Hello, Hunters!
We're aware of an issue with the latest downloadable content for Evolve (AKA "DLC 6") on the PS4.
If you try to download and install the latest DLC pack before the game has fully installed from the disc, there's a chance the installation will freeze.
In order to prevent this from happening, please make sure your copy of Evolve is fully installed (but not running) on your console before you attempt to download DLC 6.