QuickBooks software is a built-in accounting solution program that will help you in maintaining you’re your account and business data. However, like any other software additionally it is not free from errors. QuickBooks also offers various errors that may occur because of various reasons. QuickBooks Error Code 6190, 816 is just one such error that is being faced by the users commonly. Similar to of this error codes of 6000 Error Category, moreover it indicates that there's something along with your QuickBooks Company File. This error basically restricts you from accessing your QuickBooks company file. You might be displayed the next error message when this error occurs:

QuickBooks was unable to open the organization file from the hosted computer

Causes Behind The Error Code 6190, 816 In QuickBooks
A few of the main reasons behind the QuickBooks Error 6190, 816 are as listed below:

Transaction Log File popularly known as TLG is certainly not affiliated with the company file. TLG file is responsible for auto saved transactions which can be saved because of the QuickBooks itself therefore the formal regarding the file is xxxx.qbw.tlg (xxxx is the name of the company file). You might be only allowed to convert the .tlg to .qbw file. QuickBooks Error 6019 appears when the .qbw file and .qbw.tlg file will not match to each other.
A current update of QuickBooks wasn’t installed in an effective manner and inducing the error. If the .tlg file wasn’t updated additionally the company file was updated you might run into the QuickBooks Error 6189 816.
A person is utilizing QuickBooks in a single user mode then your user won’t be able to open up the organization file.
Company or data file is either missing or damaged.
How exactly to Fix The QuickBooks Error 6190, 816
Resolving the QuickBooks Error 6190, 816 is certainly not a complex task to perform. It may be fixed by using the rules supplied by the Intuit. You can easily fix this issue by making use of QuickBooks File Doctor Tool. Follow the below mentioned steps in order to do so:

Go directly to the official website of Intuit and download the setup file of QuickBooks File Doctor Tool.
Do the installation in your system properly and run it.
You'll get the below two options there:
Network Connectivity Only
Both File Damage and Network Connectivity
You'll want to opt the first solution to fix this error
Enter the system admin password.
Now a dialogue box can look that will ask you that the organization file is hosted on Workstation or Server. If it's hosted on server you will need click on Yes, else click on