Hi, user17753.
I'm here to help you get past the Error 9999 that you received so you can get back to business.
The error 9999 is a reported script error that interrupts the connection between your bank and QuickBooks Online. Our engineers are currently investigating the occurrence of this error and are working on the fix of this unexpected behavior.
In the meantime, you can bring in your transactions through WebConnect. You may check out this article for the detailed steps: Manually upload transactions into QuickBooks Online
Also, I recommend reaching out to our Customer Care support. They have the tools that can add you to the affected user's list. This way, you'll receive an email directly from our engineers once updates are available, or once the issue is resolved.
Rest assured, we’re actively working towards resolving this issue as soon as possible.
Thank you for your patience and understanding. Feel free to leave a comment below if you have any other questions about the error 9999. I'll be happy to help you out.
