Hi @tim118,
I'll point you in the right direction for support with your online banking issue in QuickBooks Online (QBO).
We have an ongoing investigation for this specific error code in your region. I suggest you contact our Technical Support team for further assistance. They can add you to our list of affected users and with that, you'll receive an email notification whenever there's an update.
View this article for the steps: QuickBooks Online Support.
While you wait for the fix, you can consider uploading your bank transactions to keep your books up to date. See this article for more details: Import bank transactions from .CSV to QuickBooks.
Tag me in the comments below if you have other questions about your online bank account. I'll be sure to get back to you.
