QuickBooks allows its users two modes, i.e., multi-user mode and single-user mode. QuickBooks Error 6189 and 816 happens due to the multi-user network mode.
Here is the solution to fix the issue arising out of the multi-user network and get back to work:
Solution 1: From QuickBooks Tool Hub, run the Fix My Program.
Solution 2: Restart your PC and the servers connected.
Reach out to us at +1(855)-738-0359, if you are unsure of conducting the solution yourself or are still experiencing the error. Our team is an expert at resolving error codes 6189 and 816 or any other QB errors.
When you see the QuickBooks Error 6189, Don't worry just read this post and follow these tips which are mentioned above.