Watch Dogs: Legion

Fix Watch Dogs Legion PS4 Error Code CE-34878-0

Fix Watch Dogs Legion PS4 Error Code CE-34878-0

The Watch Dogs Legion PS4 Error Code CE-34878-0 crashes the game and can occur due to a range of reasons. The error code is a PS4 error and means that the game has crashed, it can occur with any other game. The reason you are seeing the error message could be due to performance issues, outdated game, PS4 software, initialization problem, etc.  

When this error occurs it crashes the game and can be tied to the performance of your device. If your device is failing to generate the required horsepower to run the game, it can result in crash and the error code.

Under most circumstances, you can play the game again by a simple restart of your PS4. However, if the error code is persistent, we have a number of fix that you can try.

The first thing you must do is restart the console. Simply turn it off, let it rest for a while and restart it back again. If the error continues, you should ensure that the latest patch of Watch Dogs Legion is installed. You must also ensure that the PS4 is updated.

If the error continues, then change the PS4 Video Output Settings to 1080p. Reducing the video output will consume less resources and therefore, it will prevent the crash from happening. Also disable the Supersampling Mode in the Video Output Settings to further enhance the performance of the device.  

If the problem still occurs, the cache of the game might be corrupted, which is causing the game to crash. You should delete the cache so the PS4 can download the game files again. Once you have done the above, try launching the game and check if the Watch Dogs Legion Error CE-34878-0 on PS4 still occurs. If the error still persists, you would want to reinstall the entire game to fix the problem.

Have you made a change of hard drive recently? If yes, then reinstall the original hard drive that came with the console to fix the issue.

Fix Watch Dogs Legion Error Code CE-34878-0 | Game Crashing

We hope these fixes have resolved the Error Code CE-34878-0. Here are the detailed resolution for the error you can try.

  • Restart the console

To restart the PS4, press the power button and allow it to power down. Remove the power cords and hold the power button again for 10 seconds. Allow the PS4 to rest for a while and connect the power cords. Fire it up and launch the game. Most people will eliminate the error simply by this step.

  • Update Watch Dogs Legion to Latest Patch

If you have encounter the error at the time of writing this post, it’s unlikely that a new patch is not available, but at later dates check for any update. However, there is not harm in checking. From the game library, hover over Watch Dogs Legion and press the Options button on the controller. In the menu, click on Check for update. If there is an update for the game, download it.    

  • Update the PS4

Error code CE-34878-0 also occurs when the PS4 is outdated, so ensure that you have the latest software for the device. Press and hold the power button, release when you hear the second beep. This will start the PS4 in Safe Mode. Select Update System Software and select the storage device. You can refer this page to update PS4 software.

  • Clear Cache on PS4

Cache are temporary files on the PS4 that enhance the performance of games. These files can sometimes be corrupted and lead to errors. You need to clear cache, but there is no way to do it on the PS4. Instead, you have to hard reset the console to clear cache. Turn off the PS4 completely and disconnect the power cords. Let the device rest for 30 seconds. Now, connect the power cord and restart the console. Your cache is cleared and the Watch Dogs Legion Error Code CE-34878-0 should not appear.  

  • Reinstall the Game

Finally, if nothing has worked, you need to reinstall the game itself. Corrupt or missing game files can lead to the error. So, reinstall the game to fix the error.

  • Install the Original Hard Drive

If you have upgraded the hard drive or removed the original that came with the PS4 for some reasons, you need to reinstall it to fix the error.

Hope the above steps have resolved your error.     

Harsh Clif
He is caught in a loop between writing about games and playing them. It's a vicious cycle. Although he's biased towards PC, you can occasionally find him on the PS5. He does not own an Xbox Consoles but plans on getting one soon.

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