QuickBooks indeed is a boon for people with small and medium-sized businesses. The application is used for managing the finances and for efficient bookkeeping. Although it is technically upgraded software, it tends to face certain errors at times. Error OLSU 1024 in QuickBooks is one of the most common errors that users face. If you too are getting error messages then be rest assured, that you are at the right place. Let's learn about the error and the quick solutions to resolve it.