When I manually mark an invoice as paid, I get a notification box pop up (shown below), and the invoice does not update as paid."Transaction typeInvoice: 1000000875"

Thanks for bringing this up, @TSRQ. If manually marking an invoice as paid doesn't update its status and only triggers a notification pop-up, the issue is likely due to a system glitch.

I recommend noting the invoice details, deleting the glitched invoice from the Invoices tab by selecting the dropdown in the Action column, and then recreating the transaction. This approach will allow us to verify if the invoice can be marked as paid.

If the issue persists, I suggest contacting our Live Support team directly through your QuickBooks account. They’ll be able to take a closer look and find ways to get the invoice marked as paid work. Here's how:

1. Go to Help on the upper right.
2. Click Contact Us.
3. Enter your concern and then hit Continue.
4. Choose either Chat with us or Have us call you.

Please let us know if you need further assistance.