QuickBooks Error Codes -6190 -816 – How to Fix it

If the Quickbooks is being operated in the single user mode and another user has the access to the company file, then it might result in Quickbooks error 6190, 816.

Reasons for Quickbooks error 6190 816:

Mismatching tlg file and company file.

Failure of the Quickbooks update.

To get Quickbooks error 6190, 816 fixed:

Update the Quickbooks.

Also, you should try to rename the transaction log file.

I believe you were able to fix Quickbooks error 6190, 816. If the Quickbooks error 6190, 816 still affects, connect to QBSsolved at 1888-610-1619.