Please try the following solotions available on the Playstation Knowledge Center
https://support.us.playstation.com/app/answers/detail/a_id/5111/kw/CE-34878-0
PS4: Error Codes
CE-34878-0
CE-36329-3
An error has occurred with an application or system software.
- Step 1: Close the application, install the latest system software and game update, and restart the system.
- Step 2: If a PS Camera is connected to the system, remove it and reboot the system, then go to [Settings] > [User] > [Login Settings] and turn "Enable Face Recognition" OFF.
- Step 3: If the error occurs again, back up your saved data, and then go to [Settings] > [Initialization] and choose [Initialize PS4].
