Customized Model Gone from project

PK DESIGN CO.23 September

I have been working on this project for a while now, and I would say two weeks ago I completed the front roof via interior modeling 2.0, Then today I zoomed out and noticed the roof model was gone, I spent the past hour or so going back through previous versions and yet it's still not there, so I am wondering if it is a glitch because I would know if I deleted the model. SOMEONE, please help me out here as it is extending this project's completion time for the clients. THANKS

THIS PHOTO IS FROM A FEW WEEKS AGO WHEN I RENDERED

THIS PHOTO IS FROM TODAY:


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