Have you tried accessing your account via private browser? Let's check to see if it's a browser issue. Press CTRL+SHIFT+N and then login to your QuickBooks account. Then, try creating an invoice again.
If it's working fine, go back to your regular browser and clear your browser's cache.
If you're experiencing the same, please contact our Customer Care Support again to get this escalated. Go to (?) Help, and then Contact us to speak with one of our phone agents.
Visit us anytime soon if you have any questions.
... View more