Learn what “Quickbooks Error -6144 -301” is and what to do if you see it in QuickBooks Desktop. If you see the message “An error occurred when QuickBooks tried to access the company file (-6189, -816),” don’t worry. There’s an issue with your multi-user network, not with your accounting data. Here’s how to get your QuickBooks Desktop multi-user network up and running again. Run quick fix my program from the QuickBooks tools hub immediately.