

Details of the issue
Getting locked out of the company files becomes a real deal because the financial data involved is vital for the business. This error will not let you access the file when the multi-user network has developed a condition. Any other system than the server might be running in multi-user mode, which causes network issues because only your server computer should be allowed to host the file. As a result, your access to the company files will be restricted, and there are chances of software crash after the error message appears on the screen. Therefore, the error must be eliminated to regain access to your company file data.
Reasons
The following conditions can be blamed for the development of this error in QuickBooksQuickBooks installation on your system was faulty, leading to the development of issues now.
The company file you tried to access is in an unreadable format for QuickBooks after incurring damage by a malware attack.
A workstation is running in multi-user mode, causing issues in the multi-user network.
Solutions
You can find the most effective fixes for this QuickBooks error below-
Solution 1- Configure the hosting settings in QuickBooks
This error is liable to occur if any workstation runs in multi-user mode and tries to host a file. This causes issues in the multi-user network because only the server computer is allowed to host the file. This will raise issues while accessing the company file in other systems. To prevent this, you can approach all the workstations and refer to the steps-
1. Open QuickBooks and click on File.
2. Select Utilities and ensure the Host multi-user access option is visible.
3. If you see stop hosting multi-user access, click on it because the system is running in multi-user mode.
4. Go to the server computer and go to Utilities.
5. Make sure Stop multi-user access is visible.
Try to access the company file in the system that suffered from the error earlier. Try the next method if the error is still not resolved.