Notably, try this method only if none of the above-mentioned fixes worked for you. Yes, make sure to delete Fortnite and install it again to fix the error.

There are players who reported that they were able to fix Fortnite 91 by simply re-installing the game. If you too are having the same issue in a party, make sure to change your party from Public to Private. Most of the Fortnite players have been encountering Error 91 when they are in a party. If you are playing Fortnite on PC, you must verify the game files by opening the Epic Games Launcher. There are hundreds of Fortnite players who were able to fix 91 error by simply making sure that their game files are in the correct order. The best and easiest way to fix Fortnite 91 is to restart the game. If you are not facing this issue because of the game’s server then you will have to find it your own. Also Read | How To Find Bigfoot In Fortnite Chapter 2 Season 5 Restart Fortnite