Sorry to hear 'bout your experience. It's possible that there was a technical issue. As for preventing this in the future, regularly save your work and backup. Hopefully, you can re-upload your content without too much trouble. Hang tight!
Understandably, you're concerned about your gig's success score however, the new member introductions area might not be the best place to ask for assistance for this kind of issue.
Welcome aboard! I think reviewing and updating your gig to make it more appealing to buyers - like optimizing keywords, updating images, and refining your gig description.
I think reviewing and updating your gig to make it more appealing to potential buyers - like optimizing keywords, updating gig images, and refining the gig description.