I’ve got a solution.
First, check that the place or game is saved to Roblox, and it will work fine when you upload a file.
or if it crashes, open the auto-recovery file. When Roblox Studio crashes and you open it again, you will see a popup that says Auto Recovery Found. Click open and select the latest recovery (the highest number), like “Place_AutoRecovery_13” After you open the latest recovery, save the game to Roblox, and try uploading it. It should work.
What do you mean “private studios”?
As in, studios with no collaboration with any users.
This does not work at all. Studio does the same thing, just closes.
This does not work either. I tried sending a message to roblox developers, and I am just left on read.
I found a solution!
In order to bypass studio closing. I narrowed down the crashing to when studio tries to create the actual model, like creating a new one from scratch. So what I basically did, was upload a model, with just a brick. Once that model was saved, I would upload the model by over-writing the model I just uploaded. (It was just a brick, so nothing lost.) Doing this bypassed the creation of a new model, and just over-writing a previous model. Therefore uploading the model as a whole.
just got this as well, i literally uploaded a model with 1 singular part and it always crashes, immediatly closes without any warning, no crash message nothing, this needs to be fixed
Unfortunately, Ive sent this post to roblox and they just told me to restart my computer as that would resolve the issue… 
I’ve been dealing with these issues and I was trying to upload some electrical transformers for my upcoming game and I can’t seem to be able to upload. So I’m pretty much screwed unless if Roblox fixes this issue
That is a better image than Roblox just crashing! Have you opened your output and saw what the game was telling you? Whenever I get that error message it’s either because the name is not allowed, or the model has too many unions and could not upload them all.
Have you tried my fix above?
did you try to firstly “run” the game? And then “play” the game? This might help, i dont know how actually it works but it works for me
Man, I think this problem’s been going on for 2 months for me now— I’ll check back tomorrow and see if I had any fix.
I’d also like to report that the first month I had problems, I restarted my computer and even redownloaded studio, no change back then. I couldn’t upload anything and it’d crash, creating an auto save. It literally wouldn’t let me upload for a month and a half (I’ll check back later and see if it’s 2 months now)
It seems to have worked for me.
Have you tried CaptainCurtain’s Bypass?
It worked, thanks for the reply!
This is still an issue, I can’t upload a single model right now…
I can’t upload a single thing, I think Roblox is doing it on purpose because of storage issues or something.
I just tried to upload a model and it is still crashing for me as of July 31.
