so i was working on my map again as i have been for a couple of days and i saved and then soon after hammer froze so now when i try and start up my map, which was saved many many many times before it crashed over a series of days, it wont load it just loads a blank map so i thought well maybe it somehow got wiped clean however on looking at the size of the vmf its wayyyy bigger than a blank saved map
anyone know whats happened and how i could fix it your help would be greatly appreciated
PS the file is 554 KB