Game Crash on Dupe Save

When saving the bluebarrel001 prop with the stock duplicator my game crashes with the Exception Code 0xC0000005 with the information of, "The thread tried to read from or write to a virtual address for which it does not have the appropriate access. Also not heap information is present. (Read from the Dump file)

The only thing I have tried so far is setting my GarrysMod folder to not read only maybe that would allow it to save dupes. But it didn’t work, obviously.