Sent invoice skips to already paid

Hello there, @Invoiceastistance.

I'll pop in and address your concern about invoice automatically paid.

It is possible that the Automatically apply credit feature is turned on.  it applies credits to the next invoice you create for the same customer. To stop this from happening we can turn this off in the company settings. 

Here's how:

1. Go to the Gear Icon.
2. Under Your company, select Account and Settings.
3. Click Advanced.
4. From the Automation tab turn off "Automatically apply credits".
5. Hit Save.

With regards to your invoice that was mark as paid, we can revert them by clearing payments. This way, the invoices will automatically be opened again. Here are the steps that can walk you through the process:

1. From your Sales tab, go to Invoices.
2. Locate the paid invoice that you want to revert.
3. Click Edit invoice.
4. Click the 1 payment made link in the upper-right hand corner of the affected invoice. This is just below the PAID status.
5. Click the date of the payment.
6. Once the payment is opened, hit the Clear Payment button at the bottom right corner.
7. Click Save.

Please take note that deleting a transaction in QuickBooks Online cannot be undone. 

Just reply here if you have more questions about your invoices. I'll also help you out with other things like bills, reports, and managing your taxes. Hoping to see you again soon.