I was building a model in modelbuilder and I have saved it before close it. And before I close it it asked if I wanted to save my model, and I've said "yes". Anyway, after I closed it I noticed a "x" symbol in the model inside my toolbox in arcatalog. When I opened my model in "edit" mode it was blank! Completely empty, not even the tools that it had before the last edit was there, I lost everything! What could be the cause of this, knowing that I had saved it before close? It never happened to me.Is there any way to recover all my hours of work?
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