Question: During the launch of GTA 5 on PS4 I face the CE-34878-0 error and the application closes. How to solve this problem?
Answer: Rockstar Games Experts received reports from players on CE-34878-0 error while playing GTAV or GTA Online on PS4, and at the moment they are looking for possible solutions to this problem. Once the decision will be ready, we will inform about it. We have learned that CE-34878-0 error only appears if your PSN profile has more than 100 friends.
One solution to this problem: in order to eliminate error CE-34878-0 in GTA 5 reinstall the game again.