Update QuickBooks:
Make sure you are using the latest version of QuickBooks.
Go to the "Help" menu and choose "Update QuickBooks Desktop."
Install QuickBooks Database Server Manager on the Server:
On the computer where the company file is stored, install the QuickBooks Database Server Manager.
If it's already installed, repair it using the QuickBooks installation process.
Restart QuickBooks Database Server Manager:
Press "Ctrl + Shift + Esc" to open the Task Manager.
Go to the "Processes" tab and look for processes related to QuickBooks Database Server Manager (QBDBMgr.exe).
End these processes and restart QuickBooks Database Server Manager.
Greetings,
Peter