I've seen a couple of similar cases about customers getting a spinning circle or errors when creating budgets in QuickBooks Online. Our Engineering Team are already working to determine the cause of the issue.
Please contact our phone support team for us to add you to the notification list. You will receive an email immediately after the issue is resolved. Here's how:
Click the Help menu in the upper-right hand corner, then click Contact Us.
Provide a short description of you concern to make sure you're routed to the right support, and click Continue.
Either select the option to call us or ask for a callback.
Visit us again in the Community if you need have other questions.