When trying to open QBPOS, access the company file, or complete a transaction, you may encounter QuickBooks error code 181016 . It appears on the screen with a text that indicates that you won’t be able to either open the QuickBooks Point of Sale data or create a company. And the message that pops up on the screen is: “Problem could not open the QuickBooks Point of Sale data,” “The problem could not create a company.” “Could not connect to a database or load the database.” If