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Why have some of my prefabs and animations files gone blank??
I just opened up Unity to start working and t first everything seemed fine but when I ran my game in the editor I noticed my Ai dino didn't spawn in and my pistol's animations were not working. I went to my dino prefab to try find out what is going on and all I can see is a blank document with the same name as my prefab but no prefab. Same has happened to my pistol's animation controller and some of it's animations. There might be even more stuff gone wrong that I have not noticed. I have seen a couple of people post about the same issue but there is no answers or explanations for what on earth has happened to my project. Surely there is a way to reverse this, I just can't imagine Unity having a bug like this and not warning us about it, I mean this could be weeks of work GONE!!
Answer by Bunny83 · Oct 28, 2017 at 05:35 AM
In most cases that's usually not Unity's fault. Maybe you have an aggressive antivirus software running or you have located your project inside a folder that get automatically synced (like dropbox). You should avoid this if you do that. The OS by default only allows a single file handle to access a file. If multiple applications try to access a file things can go horribly wrong.
And yes, if you don't backup your projects that probably means they are gone for good.
I have Norton and have had it for ages, never caused this problem before and being so widely used I am sure this would be a common thing to happen so no it is not my anti-virus. I don't use drop box or have my project in a folder that auto-syncs. $$anonymous$$y PC did nothing but watch youtube since I saved and closed Unity.
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