Summary
On September 5th I was in UEFN with my primary account “LocutusFN” on my 1st PC while I was also in live version of the same map with my secondary account “locutusfn1” on my 2nd PC I’m using for testing. That 2nd account was banned for 24h for “Exploiting”. And since then my primary account is getting disconnected from all lobbies including Edit Sessions, so I can’t continue to work. I tried to change my internet connection to a mobile service, so I had different IP, but it had no effect on the issue.
Few hours later that 24h ban for secondary account was changed to 365 days because of “Cheating” (I don’t even know how to cheat in Fortnite). And because it also affects my primary account, if this continued for a whole year, it would end everything I’ve learned and created step by step in UEFN over the past 2,5 years 
I tried ticket with player support, but I just got a template response that it was not an error and that there is nothing they can do about it. I mentioned it on X where I tagged @FNCreate, but so far I got no response.
I searched for info what could cause this and the only possible explanation is the fact that I was sometimes playing regular BR modes on that secondary account, typically while I was waiting to launch or to update Edit Session running on my primary account. If this is really the reason, then I’m sorry, but I didn’t know it could cause issues. That secondary account may remain banned - I would create new one that I would use only for testing my maps for multiplayer functions and I would never play regular BR modes with it no matter what. But I need to resolve disconnecting from all lobbies for my primary account that I’m using for work in UEFN - it’s not banned, I’m also able to launch and play any map with it on a mobile phone, but it’s being disconnected from all lobbies on my primary PC that I’m using for UEFN.
My creator profile is “Locutus”: https://www.fortnite.com/@locutus
Please select what you are reporting on:
Unreal Editor for Fortnite
What Type of Bug are you experiencing?
Matchmaking
Steps to Reproduce
Launch a session for any map on my primary PC
Expected Result
It starts and I’m able to play
Observed Result
It starts, but I’m disconnected after few seconds (even from Edit Sessions) with a message: “You were removed from the match due to internet lag, your IP or machine, VPN usage, or for cheating. We recommend not utilizing VPN or proxy services while attempting to play Fortnite.”
Platform(s)
PC, Windows 11, UEFN 41.10