Hello, @erik8.
We're currently receiving reports from customers about the on-going intermittent connectivity errors on their open banking feed in QuickBooks. Rest assured, our Product Engineers are working on releasing a permanent resolution to this. Until then, please attempt to re-establish the connection using an incognito browser.
Also, I'd recommend contacting our Customer Care Team so you'll be added to the affected list. Once updates are released, you'll be notified via email.
You may use these articles to help fix some bank errors in QuickBooks Online:
Keep me posted if you have other questions.
