Hi Ann,

I appreciate all the effort you put into isolating the error you have encountered when updating your bank transactions.

Since you have performed all the recommended troubleshooting steps to fix it, I recommend reaching out to our Live Support Team. They have specialized tools and resources to investigate the issue securely.

Here’s how to contact them:

1. Sign in to your QuickBooks Online account.
2. Click the Help (?) icon.
3. Hit the Search tab, and click the Contact Us button at the bottom.
4. Type in your concern under What can we help you with? field.
5. Click Continue and choose a way to connect: Chat with us or Schedule an appointment.

You can also want to check their support hours to reach them at a convenient time.

In the meantime, you can refer to this article when uploading your transactions directly into your bank feeds by manually importing a CSV file: Manually upload transactions into QuickBooks Online.

Whenever you need help managing your banking transactions, please don't hesitate to reply to this thread. The Community always has your back.