Sorry, an unexpected error has occurred. We could not fetch your accounts from your bank

I'll point you in the right direction to resolve the prompt when fetching your accounts from your bank, @k-s-tsui.

Here's how:

1. Sign in to your QuickBooks Solopreneur/Sole Trader.
2. Go to the Help menu and select Contact Us.
3. Enter your concern and click Continue.
4. Choose between Chat with us or Have us call you.

You can contact us from Mondays to Fridays, 6 AM to 6 PM PT, and Saturdays, 6 AM to 3 PM PT.

Additionally, you can check out this content to assist you with categorise the transactions downloaded from your bank: Categorise bank transactions in QuickBooks Sole Trader.

Should you have further questions about bank errors, just utilize the comment below.