Game doesnt allow "play again" or "ready up" at end of game

Summary

The game doesn’t allow me to ready up or play again when the game is over, it says a matchmaking error when clicking the button to play again or ready up.

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Assets

Steps to Reproduce

Create map > set island settings “post game type” to classic, “total rounds” to 3, “end condition time limit” to 7 min, “auto start” to 60s, “post game spawn location” to “island start” > set pregame lobby spawn pads “enabled during phase” to pre-game only, “use as island start” as true > publish game as “unlisted” > start game > finish the 3 rounds > it gets to the end leaderboard screen with “ready up” initially then “play again” at the very end > click either or as it gets to each screen > encounter error - “MATCHMAKING ERROR (#1) Unknown Error. Maybe try again?”.

Expected Result

Ready up / play again process.

Observed Result

error - “MATCHMAKING ERROR (#1) Unknown Error. Maybe try again?”.

Platform(s)

pc

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Also, setting overtime player target to 1 and minimum players to 1 does not work / fix it either.