Hello,
If I am writing this post it is because not long ago I reseted all my data on my computer, so I reinstalled UEFN and fortnite, launched the editor, and tried to launch my last project because there was a bug I wanted to fix so It loads and then nothing like I never used UEFN, all of my projects data were gone all the projects were in their initial state when you just started it: blank. And this was on all of my projects and the fortnite Island I converted before were in the state before converting, even worse It was like I never converted them, when I open one of them it shows me the same message when you first convert them. This is terrible, I am desperate I don’t know what to do to retrieve my Data I looked to see if get back to old snapshots but when I do the “urc project snapshot list” command in powershell only One snapshot is available and its the first time I loaded the project so I cant do anything. All my UEFN data are gone 3 big projects I made just vanished, actually I published two of them and they are still playable so maybe I could retrieve data from them.
Any help would be great. 
Thank you for your report! We would like to look into this further, would you be able to submit a bug report using the form available here: Fortnite Creative
Hello I already sent a request, we’ve been messaging with the support but it’s been 10 hours and they didn’t told me if they retrieved my data so i’m waiting, they located my account I told them wich projects I would like to get data back so now i’m waiting…
@Drams We’re still investigating whether there is anything we can do to re-generate editable UEFN project files from the published versions of your projects.
In the meantime, can you provide the project IDs for the 2 published projects you mention for which you don’t have backups?
You can find the project IDs in the URL for a given project on the project’s page in your Creator Portal.
Also @Drams to provide some more context on why this occurred, you likely did not have backups due to never checking in changes to revision control. Revision control does not automatically back up your UEFN project file, but rather does so every time you “Check-in Changes” via the button near the bottom right-hand corner of the editor.
We’ll soon be implementing periodic in-editor reminders to do so if we recognize it has been a while between check-ins which will hopefully help keep this more top of mind.
Here is some more information about Unreal Revision Control and URC best practices.
I am goin through the same scenario but only thing is i still have some files just my maps are empty the other one spawned everything all over the place my maps keep messing up by themselves it’s very frustrating due to amount of work I put into them. Once they mess up it’s nearly impossible to fix it it spawns everything everywhere I don’t get it it does to all my maps within a certain period of time
I just took my one drive off backup and now all my map files are gone because I deleted I had all my projects backed up one drive smh
Unfortunately, your data is probably gone if you didn’t set up revision control or if it was in Creative 1.0. But what you should do from now is enable revision control so this never happens again
@YOUTUBEXABREU had you published any of the projects you’re struggling with currently in a state you were happy with to test codes or publicly?
If so, can you send the urls for each relevant project from the creator portal? We’ll investigate whether we can help you recover them.
@Drams our support team reached out to you via email as well, but please reach out to me on Discord “EPIC_garren” so we can find some time for me to walk you through recovering your previously published projects.
Hello gxg_work, sorry for taking this time to answer, I would of course appreciate to add you on discord to talk about this issue. My username is DREAMS.
I WAS ABLE TO FIND THE ISSUE I HAD ALL MY PROJECTS BACKED UP ON ONE DRIVE SO IT WAS MAKING THEM VERY BUGGY SOME OF THEM EVEN JUST COPIED EVERY SINGLE THING IN THE MAP ON ITS OWN SO I BACK UP NOW TO MY PC AND ALL THE PROJECTS I MADE SINCE ARE SAVING PROPERLY.
IT WOULD BE GREAT IF I CAN RETRIEVE SOME OLD MAPS THAT ARE ON MY ONEDRIVE AND HAVE THEM ON MY PC INSTEAD IT WOULD BE EXTREMELY HELPFUL IF YOU CAN HELP WITH THIS ISSUE.
bro i worked so hard on 1 map and i got a ssd and i went to go work on it and everything is gone. got to say i put over 100 hours of work into it for nothing just for it not to be there. fr ubfn â– â– â– â–
i’m having the same problem, i really need to recover my 2 projects from my 2 maps, if you can help me… 
i just wrote this on a similar topic, but gonna say it here in case someone needs to see it
“this happened to me as well except my ssd went bad and turned into a raw file system. i took it out of my pc immediatley as to not accidentally write over the data (something I think OP might have already done im afraid) but even still- since uefn/ue have such a weird way of storing a little asset in this folder a little asset in that folder, combined with the oddball file containers used (.uplugin, .uasset, .pak, ect) several data recovery places said im out of luck. Apparently if you are recovering common file types (.mp3, .wave. .jpg, ect) it is alot easier but the circumstances with uefn make it almost impossible. Since then i have been very strict on using URC.”
I lost the UEFN project files. i realy need that file i spended so much time for that. how can i get that back please i realy need. MAP CODE : 0982-0055-5757 .
i also have a problem similar to this, not too long ago i had made a map that took about month to make and finished it, i published a private version but don’t remember if i had revision control on, which it should be automatically on. And then my virus got infected with viruses so i had to format it forgetting that i had a whole map made because i was in a panic, and formatted the pc. I don’t remember the name of the project either, so now i log into UEFN and cant find it anywhere, is there any way i can get the map back?
@InnocentPRO Thank you for your report! Can you please re-post using the “New Issue” option on the Issues and Bug Reporting forums? Posts with this feature are connected directly into our development team so we can quickly get to them!
For more information, such as how to get the reference ID, please check out the article here: Using the Creative and UEFN Bug Reporting Form
Hello. I worite a post about my losts datas. Luckily, i know my last published version was good. the only thing is, is it possible to download our last published version? I’ve been working very hard on this island, was proud of it even if the algorithm haven’t taken it yet properly…
Please let me know if someone can do something about it… here is the code ( PRIVATE : 7456-0925-1548 ) ---- PUBLIC : 2692-1471-6915 )
I also have a similar problem.