QuickBooks File Doctor is a network and company File diagnostic tool integrated in QuickBooks 2016 and later versions. It can be used to diagnose and fix a wide variety of company file and network errors. You can use it if any of the following (but not limited to) errors show up: QuickBooks Error -6150, -6000 -82, -6000 -305, -6000 -301, -6147, and -6130. Lost or blank customer, vendor, or...