Sometimes there is no proper permission accessible for the other users to open any folders in QuickBooks, but if you try to open that specific folder, you will get a QuickBooks error code 1926. Mainly the folders or files that are inaccessible in QuickBooks due to lack of permission from the host or admin. T, whenever you try to open that folder file, you will get this error on your screen. In this article, you will find the methods of troubleshooting the error and why it appears on your screen.
Source: https://www.axpertadvisors.com/quickbooks-error-1926/