You're most welcome, Meffa. I can think of one reason why you're getting that error message.
The reason the feedback link isn't functioning is likely because you are not currently logged in to your ProAdvisor account. To continue, please log in and access the link again.
For more details, review these commonly asked questions about QuickBooks Online training and certification: FAQs about ProAdvisor training and certification.
Here are also some lists of resources you can find as your reference for your certification exam:
Don't hesitate to post again if there's anything else you need with QuickBooks. The Community is always open to help you. Stay healthy and safe.
