To best assist you, may I ask a few questions to narrow this down?
Are you getting an error message when trying to connect?
Has this bank been connected before?
What bank are you using?
In the meantime, let's try some basic troubleshooting steps, like clearing the cache from your browser and trying an incognito window. Web browsers collect cache (cookies) to save you time when loading repetitive data and images, which can cause similar issues such as bank accounts not connecting. Below I've included the steps on how to clear the cache (depending on your browser):
I look forward to your reply, and I'll be sure to keep an eye out for it. Thanks for reaching out. You can always reach out to the Community or me any time you find you have questions or concerns. Take care and have a great week ahead!