Modern Warfare 2 Beta Keeps Crashing Error CE-34878-0: People who pre-ordered MW2 on PlayStation 5 or PlayStation 4 can now play the beta. But not every player is having a smooth start to the Modern Warfare 2 beta. Specifically, a number of PS4 beta testers are saying that the MW2 beta keeps crashing. This is what we know about the problem.
Error CE-34878-0 Modern Warfare 2 Beta Keeps Crashing
If you get the CE-34878-0 error message when you try to play the MW2 beta on your PS4, you should know that you are not the only one. Several players are talking about the same problem right now.
All of them only show up on the PS4 version of the Modern Warfare 2 Beta. Some players say that when they finish a match, MW2 crashes. Some people have said that the MW2 beta crashes while a TDM is loading.
“An error has happened in the following application,” the CE-34878-0 error message says. Beta version of “Call of Duty: Modern Warfare II.”
So, is there a way to fix the CE-34878-0 error and stop Modern Warfare 2 Beta from crashing? At the moment, we don’t know of any fixes that will work 100% of the time.
The beta version of the game just came out, so there are bound to be some bugs and glitches. This is especially true of the PS4 and Xbox One versions of the game, which are from the last generation.
Solutions: Modern Warfare 2 Beta Keeps Crashing Error CE-34878-0
1. Start up the console and router from scratch
If there is a temporary problem with how the PS console and Sony servers talk to each other, the data packets may not be parsed correctly on the console or its servers. This could cause the CE-34878-0 error. In this case, you might be able to get rid of the CE-34878-0 error by giving the PS console and router a cold restart.
- Put the console and router to sleep.
- Then, unplug both the console and the router from their power sources and remove all the networking cables from the router.
- Now wait 5 minutes, and then plug the Internet cable back into the router.
- Then connect the LAN cable to the console again (if LAN connection is used on the console).
- Now plug the router’s power cord back in and turn it on.
- Once the router is turned on properly, turn on the PlayStation and see if the CE-34878-0 error is gone.
2. Check the servers of Playstation Network
When you get the CE-34878-0 error code on your PS4 or PS5, the first thing you should do is check the status of PSN. Sony’s team does maintenance on their servers from time to time to make sure everything is running smoothly on their end.
You can check the status of PSN’s servers by going to the status page for Playstation.
If PSN’s services aren’t working right now, all you can do is wait until their team fixes the problem.
On the other hand, if there’s nothing wrong with PSN’s servers, you can try the rest of the methods below.
3. Sign into your PSN account again
If you keep getting the CE-34878-0 error code on your PS4 or PS5, you can also try refreshing your PSN account data. When the servers went down unexpectedly, your user data may have been messed up.
Follow the steps below to sign out of your PSN account on a Playstation 4:
- First, go to your console’s Settings page.
- After that, go to the tab called “Account Management.”
- Last, click the Sign Out button and do what it says on the screen.
Follow these steps to sign out of your PS5 account:
- Use the D-Pad to get to the Settings page from the main screen.
- Now, go to User Accounts and click on Other.
- Lastly, choose Sign Out to sign out of your PSN account.
If you want to reset your user data, you must wait at least 5 minutes after signing out of your account before signing back in. After that, go back to PSN to see if the problem is fixed.
The game is mostly being made for current-gen consoles, and making a port for older consoles is not a top priority. The developers are already putting these almost 10-year-old consoles to the limit of what they can do.
If any workarounds come up in the meantime, we’ll be sure to add them to the article. The only solution that has been suggested so far, by Reddit user psn1453, is that you could try to rebuild the PS4 database.
But a fair warning: the old-gen version of the game is likely to have more problems like these, especially during the beta period in September.