QuickBooks Error 6189 816 occurs when you try to open or access QuickBooks company file from a Network Device (QuickBooks Server or Host Computer) in a QuickBooks multi-user setup. Make sure to have QuickBooks file storage Instructions in place about QuickBooks multi-user environment failing that could evidently lead to the QuickBooks Error -6189.
if the issue still prevails despite all endeavors. Nevertheless, you have an everlasting option to reach out to QuickBooks Support Phone Number at +1-855-248-9031.