Are you having a problem installing adds on your PS4??? Does your DLC say its installed but it's not in the game??? There could be an issue with the licenses on your content. Go to the setting section, account management and restore the licenses on your PS4. Also, set your PS4 as primary. Once thats done go over the game, select down on the D pad. Then go down to PS store, on the right now your add ons and DLC should display. Download the add ons onto your PS4 now.