Last extended downtime has been the result of errors that caused a disproportionate quantity of database questions, and Epic went to some fairly intense detail describing exactly what was going on. The company has a habit of a specific degree of transparency, so fortnite items expect lots of upgrades if this goes on much longer.
It's a big setback for a day which was going pretty well for Epic Games, even though a few server problems over at PlayStation Network happen to be giving PS4 users some issues. It does not appear to be a great day on the technical side of things overall.
Fortnite has had some intermittent technical problems lately, most notably some matchmaking problems that caused the developer to delay the much-anticipated Playground mode for a week. Nonetheless, it's been a while since it saw extended unplanned downtime, and so we hope that that isn't what we are looking at here.
Fortnite has one of the most aggressive update schedules in the business, and it is clear that upgrading a game so frequently can cause all sorts of unanticipated problems to come up. Last extended downtime has been caused by mistakes that caused a crippling number of database questions, and Epic went to a pretty extreme detail describing exactly what was happening.