Hi,
There was a problem see Rocket League Matchmaking Outage
Resolved - This incident has been resolved.
Apr 16, 19:00 UTC
Investigating - We are currently investigating this issue.
Apr 16, 18:45 UTC
There is a message in London UK was, this is now fixed.
Due to very High Usage you are viewing this as if you have not logged in
Developer Portal Login Issues
Resolved - This incident has been resolved.
Apr 17, 17:26 UTCInvestigating - We’re investigating the issue where Developer Portal users are seeing an “Invalid Credentials” error when logging in. We’ll provide another update once we have more info, or when this is resolved.
Apr 17, 16:18 UTC
My advice is to always check in at Epic Games Public Status
First of all to save wasting time.
After a Fortnite update reset/power on/off your Broadband modems and restart your PC.
Then try Verify Fortnite and UEFN as sometime if the network is busy getting timeout the upgrade