Thanks for letting us know, Mark. I'm here to provide details regarding the error message you've received.

Based on the investigation, we've received reports of error 102 with Nedbank. I recommend contacting our support team to add your name to the list of affected users. By doing so, you'll receive an update on the investigation status.

Here's how to reach a live representative:

1. Log in to your QuickBooks Online(QBO) Company.
2. Click the Help button at the top of the page.
3. Choose the Search tab, then Contact us.
4. Type in your concern, and Continue.
5. Under Callback, click Have us call you button. 
6. Enter your details.
7. Select Get a call.

In the meantime, I suggest recording your bank transactions manually to keep your books updated.

Also, you can check out these additional resources to learn more about excluding and putting bank transactions in the correct accounts to avoid duplicates in QBO:  

• Exclude a bank transaction you downloaded
• Match online bank transactions 

Check out this article to learn how to categorize transactions from your bank faster: Set up bank rules to categorize online banking transactions.

Thank you for your continued patience on this. Please don't hesitate to comment below if you need further help with bank errors in QBO. We're always here to help you out.