Hi deandamon12,

Thanks for getting back to us about your Wise concern. Currently, the supported Wise Bank account is Wise Business and Wise Business Euro. The prompt you have received is due to your current subscription does not support the Multicurrency feature. You'll have to upgrade to the Essentials, Plus, or Advanced plan to be able to use multicurrency and connect your Wise bank.

To upgrade your subscription:

1. Click on the Settings icon.
2. Click on Account & Settings, and click on Subscription & Billing.
3. Click on Upgrade your plan.
4. Choose the plan that you wanted to upgrade to and check the pricing.
5. Follow the on screen prompts.

To learn more about multicurrency feature, you can check this link: Set up and use Multicurrency in QuickBooks Online.

Post again in the Community if you have further concerns. I am around to help you.