Happy Wednesday, @BCD1.
I want to ensure you get the support you need in regards to the red alert on your invoices page. Our Merchant Services Team can get this taken care of. They have direct access to your account in a secure environment and will be able to check the details for you and verify the customer’s payments.
You may get their most updated number in the article below:
https://quickbooks.intuit.com/learn-support/en-us/payments/contact-payments-support/00/376458
Should you have other questions, send me a comment. I’ll be happy to help.