To solve the quickbooks error -6144, follow the steps as
Firstly, to open QuickBooks File Doctor, you need to log in to an administrator account.
Then the company file associated with the error must be identified and selected while ensuring that it is placed in QuickBooks Database Server at the same time.
QuickBooks Doctor File scans all kinds of network mistakes and scans the mistakes in the file as well.
Once this is achieved, it is necessary to close the doctor file and reopen QuickBooks.
We are hoping that you are able to fix the issue now. Still, if you are facing any trouble further, not to worry! You can reach us by contacting us at QuickBooks Toll Free Number+1(800)986-4607.