PlayStation Error Code CE-34878-5 — What It Means & How to Fix It

What Does This Error Mean?

Error CE-34878-5 on PlayStation means an application or game has crashed and closed unexpectedly. The system detected an error within the app and forced it to close to protect the console. This can happen with specific games, apps, or system software issues.

Affected Models

PlayStation 4
PlayStation 4 Slim
PlayStation 4 Pro

Common Causes

A corrupt game file or save data is causing the application to crash at a specific point
The PS4 system software is outdated and incompatible with a recently updated game
The game disc is scratched or damaged, causing read errors that crash the application
The console is overheating and the system is crashing apps to protect hardware
A corrupted system database on the PS4 is causing instability across multiple games

How to Fix It

Close the crashed application and restart it. If it crashes at the same spot in the game, note what triggers it.

If the crash only happens at one specific moment (a cutscene, a loading screen, etc.), a corrupt file is the most likely cause.
Check for and install any available system software updates. Go to Settings > System Software Update.

Outdated PS4 firmware can cause app crashes, especially with newer games that require recent system features.
Check for updates for the specific game by highlighting it on the home screen and pressing Options > Check for Update.

Game patches frequently fix crash bugs. An unpatched game is a common cause of CE-34878-5.
Delete and reinstall the game. Go to Library > [Game] > Options > Delete. Then reinstall from disc or re-download from your library.

This replaces any corrupted game files. Your save data stored on the console or PS Plus cloud is not affected by deleting the game.
Rebuild the PS4 database: Turn off the PS4, hold the power button until you hear two beeps to enter Safe Mode, then select Rebuild Database.

Rebuilding the database scans and reorganizes all system data. It takes 30 minutes to several hours but does not delete your games or saves.

When to Call a Professional

CE-34878-5 almost never requires professional service — it is almost always a software or data issue. If the error occurs across all games and apps even after rebuilding the database, your hard drive may be failing. A PlayStation service center can diagnose and replace the hard drive if needed.

Frequently Asked Questions

Will I lose my saved game progress if I reinstall the game?

No — game saves are stored separately from the game data itself. Deleting and reinstalling the game only removes the game files, not your save data. However, always back up your saves to PS Plus cloud storage or a USB drive before reinstalling, just to be safe.

Why does CE-34878-5 only happen with one specific game?

If the error only occurs with one game, the problem is almost certainly specific to that game's files or save data. Try deleting that game's save data (separately from the game itself) and see if a fresh start eliminates the crashes. This will reset your progress in that game, so only do this if other fixes fail.

Is my PS4 overheating if it keeps showing CE-34878-5?

Check the console's ventilation — make sure it is in an open, well-ventilated space and the vents are not blocked. If the console is making an unusually loud fan noise or is very hot to the touch, overheating may be contributing. Cleaning the fan and vents with compressed air can help significantly if the console is dusty inside.