All Fortnite error codes and how to fix them

Here are all the bugs in Fortnite and what they mean.

fortnite
Image via Epic Games

A ton of bugs have come and gone in Fortnite since the release of the popular battle royale in 2017. Some of them have been fixed by the developer, but others often reappear after updates. That means knowing the proper corrections is still useful.

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Before trying any of the solutions below, you should restart the game, launcher, and PC or console. This is a basic practice that even the best players can sometimes forget.

Here are some of the most prominent bugs in Fortnite and what you can do to try to fix them.

NameMeaningSolution
Fortnite ‘successfully logged out’ errorAppears as players try to log into the live servers.– Wait for Epic Games to roll out a fix. This error generally appears after large content releases and is considered a bug.
– Try logging into a different account.
– Restart your router and gaming device.
Denial Reason Code 20Appears due to privacy settings inconsistencies.– Set Party Privacy mode to Public.
– Add your teammates to your Epic Games account.
– Turn on Cross-Network Play.
– Set your Fortnite party setting to Public.
AS-3Disconnection error.-Check your internet connection.
bad_module_
info has stopped
working
Message appears while playing the game.-Run the game as administrator.
-Verify the game’s file.
-Change full-screen options to accept administrator requests again.
-Update graphic card drivers.
-Verify Windows updates.
CE-34878-0The PS4 crashes. It’s not specific to Fortnite but happens on it too.1. Options -> Check for Update.
2. Settings -> System Software Update.
3. Restart your PS4.
CE-40852-9Error while downloading on PS4.1. Settings -> Network -> Set Up Internet connection -> Select your network -> Custom.
2. Verify that IP and MTU are automatic, DHCP name is “Do Not Specify,” Primary DNS on 8.8.8.8 and Secondary on 8.8.4.4.
CS-03Save file size is too large.-Reduce the number of save files for the game.
errors.com.epicgames.
common.server_error
Connection issueIt’s either an issue from your connection or on the end of the servers.
DP-01Unable to install the game.1. Check your permissions by confirming you are an Administrator on the platform.
2. Run the client as Administrator.
DP-06Error while downloading on PC.Run the Epic Games Launcher as administrator.
IS-0005Unable to collect to Epic Games launcher.-Check the status of Epic Games servers.
-Check VPN, proxy servers, and firewalls.
IS-0009Unable to load the game.-Reinstall the game.
IS-BV02Unable to launch the game due to missing or corrupted file.-Type cmd.
-Click on Command Prompt, and Run as Administrator.
-Type chkdsk c: /r /f and press Enter.
-Restart the platform.
-If it doesn’t work, reinstall the game.
IS-BV04Build verification failed.Solutions are explained by Epic Games. Verify dard drives and perform a memory test.
IS-BV05Build verification failed.Solutions are explained by Epic Games. Verify dard drives and perform a memory test.
IS-DS01Unable to install the game due to shortage of disc space.-Free more disc space or change the location of installation files.
IS-DS02Unable to install the game due to shortage of disc space.-Free more disc space or change the location of installation files.
IS-FC02Unable to install the game due to file creation failed.-Free more disc space or change the location of installation files.
-Reinstall the game.
Flush DNS.
IS-FC05Unable to install the game.Verify hard drives and memory.
IS-FC06Unable to install the game.Verify hard drives and memory.
IS-INFO-THROTTLEDUnable to install the game.-Go to the Settings of the launcher.
-Uncheck the “Throttle Downloads” box.
IS-MF-01Unable to install the game.-Disable unused background applications.
-Reinstall the game.
Launcher white screenEpic Games launcher has a white screen.1. End every Launcher process.
2. Press Windows + E and go to C:\Users\PC-NAME\
AppData\Local\ EpicGamesLauncher\Saved\.
3. Delete webcache file.
LS-0002Unable to update the game.-Restart the launcher.
-Check updates.
LS-0003Unable to connect to the launcher.-Sign-in.
LS-0004Unable to install the game.-Reinstall the game.
LS-0005Unable to update the game.-Check the Epic Games servers.
-Check your connection.
LS-0006Unable to install the game.-Run the launcher as Administrator.
-Reinstall the game.
LS-0009Unable to install the game.-Verify the installation.
LS-0013Unable to launch the game.-Verify your game’s files in the launcher’s Library.
-Clear the launcher’s webcache.
LS-0014Unable to launch the game.-Verify the game’s files.
-Reinstall the game.
-Disable unused background processes.
LS-0015Unable to connect to the game.-Check your connection.
-Check the Epic Games servers.
-Test your connection speed.
LS-0016Unable to connect to the game.-Restart the launcher.
-Verify the game’s files in the Launcher’s library.
LS-0018 (or LS-0019-IS-IZ01, or
LS-0019-IS-PQR3010)
Unable to connect to the game due to application still running.-Shut down the processes linked to the game in the Task Manager.
LS-0019Unable to install the game.-Run the launcher as Administrator.
-Restart the platform.
-Use a specific launcher option or reinstall Microsoft Visual C++.
LS-0021Unable to launch the game because it is not owned.-Verify you are signed-in.
LS-0022Unable to launch the game because it is not owned.-Verify you are signed-in.
MD-0005Unable to launch the game due to file not downloaded.-Verify the launcher’s status.
-Verify your connection.
PI-UBI-01Unable to launch the game.-Restart the Epic Games launcher.
SU-BI-CAUnable to launch the client.-Follow the troubleshooting steps indicated on the client’s official website.
SU-MD-HSHUnable to launch the game.-Follow the troubleshooting steps indicated on the client’s official website.
SU-PQR1603“Self Update Failed” message while installing launcher.1. Right-click on the launcher and access “Properties”.
2. Add ” -SkipBuildPatchPrereq” at the end of “Target” tab.
0Message asking to restart client instead of launching a game.-Run as administrator.
-Verify the game’s files in the launcher’s game settings.
-Run command prompt as administrator on Windows -> type “sfc/scannow” and Enter.
6Matchmaking issue.The bug comes from Epic Games and cannot be fixed by yourself. Wait for a fix from the developer.
8You may or may not need an update.Only occurs on PlayStation 4. Check if there are any update available. Reinstall the game if not.
22Unable to launch the game.-Verify the game’s files on the launcher’s Library.
-Run the game as an Administrator.
-Update or reinstall the game.
23Easy Anti-Cheat error.-Update Windows.
-Reinstall GPU drivers.
-Verify the game’s files.
-Update or reinstall the game.
-Launch a scan on your antivirus system.
911. Disconnection error.
2. Unable to join a party.
1. Verify the game’s files in the launcher’s game settings.
2. Modify status of party to Private.
931. Disconnection error.
2. Unable to join a party.
-Change the skin.
-Change lobby to public -> join the party without invite.
-Join friends using Epic Games list.
500Unable to launch the game.There is no solution to this bug, but Epic Games generally brings a fix when it occurs.
30005Unable to launch the game due to anti-cheat bug.-Go to “C:\Program Files (x86)\EasyAntiCheat” and delete the .sys file.
-Launch “EasyAntiCheat_Setup.exe” file and repair.
30007Unable to launch the game.-Press the Windows button.
-Type cmd and Enter in the search bar.
-Enter “bcdedit -set TESTSIGNING OFF” then Enter, and “bcdedit -set NOINTEGRITYCHECKS OFF” then Enter.
-Restart your platform.

If you constantly receive one of the errors above and can’t seem to fix it by applying the solution steps next to them, you should contact Epic Games’ support desk. Open a support ticket and provide as many details as possible so a professional can look into your case and find out what may be causing you to receive an error.

Author
Image of Eva Martinello
Eva Martinello
Eva is a Staff Writer from Paris. Her part-time job is charging into walls with Reinhardt. She has been covering League of Legends esports and other titles for six years. She still believes in a Moscow Five comeback. She also fell into the MMO pit and covers FFXIV and Genshin.
Author
Image of Gökhan Çakır
Gökhan Çakır
Gökhan is a Staff Writer and Fortnite Lead at Dot Esports. Gökhan graduated as an industrial engineer in 2020 and has since been with Dot Esports. As a natural-born gamer, he honed his skills to a professional level in Dota 2. Upon giving up on the Aegis of Champions in 2019, Gökhan started his writing career, covering all things gaming, while his heart remains a lifetime defender of the Ancients.