Thank you for initiating the basic troubleshooting, @niknok. I'll provide an update about this issue and route you to our Support Team.

I understand the importance of connecting your American Express Bank to manage your transactions easily. Please know that there's an ongoing report about Error 102.

I recommend contacting our Support Team to add you to the list of affected users. This way, you'll be notified of any progress. Rest assured that you'll receive updates when fixes are available.

Here's how:

1. Go to the Help icon and choose Search.
2. Select the Contact Us button. 
3. Enter your concern, then tap Continue.

See this article for the support hours: QuickBooks Online Support. It includes the contact number you can use to call us directly.

Once everything's settled, read this reference about matching transactions and putting them in the correct accounts: Categorize and match online bank transactions in QuickBooks Online.

You can also review your accounts in QuickBooks to make sure they match your bank and credit card statements. For complete instructions, check out this guide: Reconcile an account in QuickBooks Online.

I'm just around the corner if you have any other baking concerns in QuickBooks. Feel free to add a reply below.