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Hello. So, I updated Clo to 6.0, made a project using texture editor and when I was trying to save it, it was giving me three error windows. I didn't pay attention to it. I spent many hours on this project. Then I made another project - one hour more. The error also accrued, but again I just pressed "ok" button. And now both of the projects I made are completely empty! I have a thumbnail with the project, but everything is gone! 

Please, tell me what and why it happened and if there is a way to get it back?