Hello there, @tradem-sp.

Thanks for bringing this to my attention. I'm here to help you get past the error that you received upon saving your invoices in QuickBooks Online.

The error "something's not quite right One or more line items do not have a progress type." when saving an invoice will usually appear if you have left the due column blank. You'll need to complete the form before saving it to avoid this error. 

Here's how:

1. Select the Plus icon (+) on the Toolbar.
2. Under Customers, select Estimate.
3. Enter the information for the estimate and select Save.
4. Select Create Invoice.
5. In the How much do you want to invoice dialog that appears, select an option to specify how much you want to invoice.
6. Select Create Invoice.
7. If you choose Custom amount for each line, select each line and enter the Amount or Percentage to invoice in the Due column.
8. Select Save.

I've attached a screenshot below to guide you with the steps:

For more insights about progress in QuickBooks Online, please refer to this article: Turn on and use progress invoicing.

If the issue persists after trying these steps, I'd suggest giving our Customer Care Team a call. They have additional tools like screen sharing that can better isolate this matter.

To reach them:

1. Sign in to your QuickBooks Online company.
2. Select Help at the top right.
3. Select Contact Us to connect with a live agent.
4. Enter your concern.
5. Click on the Green Phone button to get the phone number.

That should do it!

Please know that I'm just a reply away if there's anything else you need. I'm always here to lend a hand. Have a lovely day!