It sounds like there might be a technical issue preventing the journals from being exported from the Payroll section - in a situation like this, I would recommend reaching out to our support team so that they can walk you through getting this issue resolved. You can give us a call on 1800 046 038, or if you'd rather receive a call back or support via messaging, you can follow the steps below:
In your QuickBooks Online, click the Help menu in the upper-right corner.
On the Search tab, click an article and select Contact us at the bottom. Then, enter the details of your concern.
Choose how you would like to connect with them: either via Callback or Chat.