While using the QuickBooks application, many users end up with a “QuickBooks Error 6190 816 ” error. You must be worried why your QB application is showing this error? Relax because we are here to help. This issue pops up on the screen when you are operating in a multi-user mode on a Linux server and QB is not able to open a file on the host server. Connect with our QuickBooks customer care team available 24*7 to troubleshoot the issue at the earliest.