Project disappeared

Hello, my project disappeared, I was uploading an image and it said: “in queue to upload” as it was taking a lot and the image weighed 700 bytes, I decided to save changes and reload the page, but when I did the project I was working on disappeared . can you help me, please? How do I get it back?
I only have 5 proyects and now i have 4, i’m not erase the proyect just reload the page

Check out this topic:

And next time, don’t forget to backup your project.