Why doesn't the Current On Hand Quantity doesn't match Cumulative Quantity in the Booking Journal?

Why doesn't the Current On Hand Quantity match the Cumulative Quantity in the Booking Journal?

The Cumulative Quantity is a running total of the On Hand Quantity, excluding any filters in the report. Filters may include Date Range, Storage Location, Transaction Type, etc. 

If you don't have any filters set and the "To" date is set to today, and there is still a discrepancy, our support team can review the issue, help troubleshoot, and correct it. Please provide a screenshot of your report for validation.