When i mark an invoice paid I get this message - Transaction type Invoice: 1000000166 with a submit button. Then the invoice shows is has not been paid. How to fix this?

We appreciate you for bringing this to our attention, rangersound. To resolve this, I recommend contacting our QuickBooks Live Support team.

Our representative can conduct a detailed diagnosis to identify the cause of your inability to mark invoices as paid and provide a solution.

Here's how to connect with them:

1. Sign in to your QuickBooks Self-Employed account.
2. Go to Help and choose the Search tab.
3. In the search field, type contact support.
4. Click the Contact Us button.
5. Choose a way to connect with us.
6. Follow the on-screen steps.

You can check their support hours through this article: Get help with QuickBooks products and services.

We're still here to help you if you have other questions or need further assistance with invoices.