You're doing it right, growingforgood.
The reason why you're unable to apply it to the invoices is because of the said error. This has been reported already and now being fix.
I suggest contacting our Customer Support Team. You'll receive updates about this issue once your account is added to the list of affected users.
- Go to Help and select Contact us.
- Enter You must set a transaction amount in the question box, then click Let's talk.
- Choose either to Start a message or Get a callback.
Also, I'd like to clarify something. On your screenshot, it seems that the Microgreens is an income account. Since you mentioned that the invoices are paid already, the opposing entry should be an asset account.
You can check this link on how to create a journal entry in QuickBooks Online. It'd also be best to reach out to your accountant so they can properly guide you in creating a journal entry.
Here's an article if you need to run accounts receivable aging report.
I'll be here if you need anything else. Wishing you all the best!
