Error code

PlayStation CE-34878-0

PLAYSTATIONCE-34878-0
Game/Platform Error· An error code shown by a game or gaming platform/launcher.

What it means

An error occurred with the game or application and it has closed..

How to fix it

  1. Update PS4 system software and the game to the latest version.
  2. Restart the console.
  3. Disconnect the PlayStation Camera and disable face recognition.
  4. Reinstall the original HDD if it was replaced.
  5. Initialize the PS4 after backing up data.

Not affiliated with PlayStation. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.