What is happening:
Message "Error in reload.sql at line #####. Sybase message: the file '' is invalid when the disk sandbox feature is enabled for database '' " when restoring a Portable Company or Accountant's Copy file.
Why is this happening:
This issue has been resolved in the latest release for QuickBooks Desktop
Update to the latest release:
Go to the Update to the Latest Release web page.
IMPORTANT: Make sure your product is selected. If not, click the blue "Change" link and select your QuickBooks product.
Select and follow the instructions for one of the update options:
If you still receive this error after updating QuickBooks Desktop to the latest release, try the following solutions:
Solution 1: Transfer the file to a different folder.
Solution 2: Repair your QuickBooks installation.
Solution 3: Perform a clean installation of QuickBooks.