You may be attempting to visit a site using QuickBooks. The page, however, does not load, and you get QuickBooks script error script error. This error suggests that something has gone wrong with the page's script. The error is known as QuickBooks Script Error. The following are the other causes. An account that was attempted to be accessed when importing a file does not exist. When attempting to import an invoice or bill into an account that does not exist. To put it another way, the program is unable to locate the account you are attempting to access. You may be attempting to create an account that is already present.