Fortnite Error Code 93 typically indicates a problem with the party or friends' list feature, often occurring when trying to join a friend's game. To resolve this, you can try restarting the game, checking for an update, or recreating the party. Sometimes waiting it out can also be a solution if it’s a server-side issue. You can click the link here that will help you to solve your issues in no time.
https://www.gameerrors.com/err....ors/fortnite-error-c