Fortnite attracts a large number of players to a game due to its high-octane, cartoon-style action and social gameplay. It is one of the most well-known battle royale games in the world. Fortnite is not immune to technical issues, like many online multiplayer games. Error Code -91which typically appears when attempting to join a friend’s party. It is one common and frustrating error that players come across. This error prevents players from teaming up with others, which is a major part of Fortnite’s appeal as this disrupts the social experience.
What is Fortnite Error Code -91?
A party-related connection error that prevents players from joining a party or inviting friends in Fortnite is Error Code-91. The full message frequently reads:
“Unable to join party. Error Code -91.”
When a player tries to join another player’s lobby, especially when Fortnite’s servers are under load or when there is a syncing issue between Epic Games Services and the user’s local game client, this error primarily affects the game’s party system and often occurs.
It can affect players across PC, Xbox, PlayStation, Nintendo Switch and even mobile devices, this error is not platform exclusive.
What Causes Fortnite Error Code -91?
There are many reasons why this error might appear, here are the most important causes:
1.Epic Games Server Issues
A server-side problem with Epic Games is one of the leading causes of Error Code-91. The party system may not function properly if Fortnite’s matchmaking or party servers are down.
2.Privacy Settings Conflict
If the host’s party is set to private or due to parental control settings there are restrictions in place others may not be able to join which can activate -91 error.
3.Corrupted Game Files
Communication errors may be caused with Epic’s servers due to a corrupted Fortnite installation or outdated files. Especially when syncing party invitations.
4.Network Connectivity Problems
The ability to join or create parties is interfered by unstable or restricted internet connections. (NAT type issues, strict firewall, VPNs etc)
5.Buggy or Outdated Game Client
Fortnite client itself has bugs or has not been updated to the advance version sometimes, this can cause errors such as -91.
6.Account Sync Issues
Party-related errors can occur if your Epic Games account is not syncing properly with the server or the platform you are using (e.g. Xbox Live or PlayStation Network).
How to Fix Fortnite Error Code -91 — Step-by-Step Solutions
To resolve this issue here are the top solutions that players have found. Until the problem is fixed, just work your way through the list.
1.Check Fortnite Server Status
Visit the official Epic Games Status page to see if any ongoing issues are affecting Fortnite’s party services or matchmaking, before diving into more technical fixes.
You may need to wait until Epic resolves them, if there are server issues.
2.Restart the Game and Device
Restarting the game is the simplest and most effective solution:
- Completely close Fortnite.
- Restart your device (PC, console, or mobile).
- Launch Fortnite again and try joining the party.
3.Change the Party to Public (Temporary Workaround)
If you wish to join a friend’s private party, request them to:
- You have to open the Fortnite lobby.
- Then click on their profile icon.
- Set the Party Privacy to Public temporarily.
- They can switch it back to private, after you join.
If it’s related to invitation syncing or privacy conflicts, this bypasses the issue.
4.Re-add Your Friend
Your connections can be refreshed by deleting and re-adding your friend, sometimes.
- Firstly go to your friends list in Fortnite.
- Remove the friend you’re trying to join.
- Again add them and retry joining the party.
5.Verify Game Files (PC Only)
If you are using the Epic Games Launcher on PC
- Open the Epic Games Launcher.
- Then go to Library.
- Click the three dots under Fortnite and select Manage.
- To check for corrupted or missing files, click verify.
6.Check Network Connection
Make sure you have a stable internet connection:
- Restart your modem/router.
- Avoid using VPNs or proxies.
- For better stability try a wired connection.
- Then Check NAT type (should be Moderate or Open for best connectivity).
7.Update Fortnite
Outdated versions might not have compatibility with newer server configurations.
- Make sure your game is fully up-to-date.
- Update Fortnite through the game menu or system settings, on consoles.
8.Reinstall Fortnite
Uninstalling and reinstalling Fornite can clear up any residual data issues or deep-rooted bugs, if all else fails.
- Uninstall the game.
- Restart your device.
- Then Reinstall Fortnite and sign back into your Epic account.
9.Contact Epic Games Support
Contact Epic Games Support directly through their support page, if none of the above solutions resolve the issue. You have to provide details about your platform, error message and steps you have already tried.
Pro Tips to Avoid Error Code -91 in Future
- Keep Fortnite updated regularly.
- While in a party, avoid changing privacy settings.
- Use Epic Friends (rather than console friends) for better syncing.
- When possible on PC, join parties through the Epic Games Launcher.
- Avoid frequent switching between multiple devices or accounts.
Conclusion
When you just want to jump into a party with your friends, Error Code-91 in Fortnite can be irritating. You can usually fix the issue quickly and resume the game with the right steps including checking server status adjusting, party settings and ensure a stable internet connection and updating or verifying game files.
