Is anyone unable to use QBO Intuit due to a validation error?

Hello, nikkitoews-gmail.

Thanks for joining us here in the QuickBooks Community. I'd be happy to guide you in the right direction.

Based on the information you've provided, the best course of action would be to contact our support team outside of the Community. They'll be able to verify your account details in a secure setting, as well as view your screen to better assist you. You can reach them by following these steps:

Schedule a Callback: click (?)Help in the upper right > type and enter "Contact support" into the QB Assistant > click Contact Us > explain your situation > click Let's Talk > choose Get a callback.

If you have any other questions, feel free to reach back out.