@RoseJillBIt turns out that it looks like a bug in Quickbooks. I deleted and reentered the "Receive Payment" Credit Memo against the invoice a couple more times...
@Maybelle_S (not sure why this reply to your message does not show up under your message. But here it is."Undeposited Funds hold money until you are ready to de...
I looked at another help page, and it explicitly says: "Leave thePayment method,Reference no,Deposit to, andAmount receivedfields blank." That's the field that ...