QuickBooks error 6189 and 816 is one of the company file errors that impede your work. This happens when you attempt to access the company file using a multi-user network device. This is a run-time error that restricts access to your company file. QuickBooks will display the message: An error has occurred accessing the company file (6189, 816).
Steps To Resolve Quickbooks Error 6189 and 816?
1- Restarting the System and the QBs server
2- Quickbooks Desktop Update
3- Change the Company File Location to the Local C Drive
4- Using Quickbooks Tool Hub