Hello curator1,
Welcome back to the Community. QuickBooks is designed to help you manage your income and expenses with ease. Rest assured, I'll be glad to share more info so you can record your payments with ease.
The reason you're seeing the Receive payment option is that the invoice in question has no payment recorded to it. While using the Advanced search feature (Gear icon > Advanced search), I recommend searching for the payment in question. Once you've found the payment, you can then trace it to see where it was applied. In case the payment isn't applied, here's a helpful article that shows you how to: Receive and process payments in QuickBooks Online with QuickBooks Payments.
Once you've gone through the article, you're welcome to check the following article with more info on how to reconcile:
Let me know if this info above helps. I'll be on standby in case you have other questions. Otherwise, I wish you a great rest of the day!