I can see how beneficial it is for you to set up a receive receipt email, Jason. Let me provide you with some information and assist you in taking the necessary steps.
As per checking, I've found an ongoing investigation (INV-99821) the same error message prompts when you try to set up a receive receipt email. In line with this issue, there's no exact time frame as to when it'll be resolved. We appreciate your patience and understanding as our Product Engineering team is doing their best to resolve the issue.
In the meantime, we recommend contacting our support team for you to be added to the affected user's list. This way, they'll be informed of the issue you're experiencing, and you'll be notified through an email about the ongoing investigation.
Here's how:
- Log in to your QBO company.
- Select Help (?).
- Click Contact Us and choose a way to connect with us:
- Start a chat with a support expert.
- Get a callback from the next available expert.
Additionally, I've added this article as your reference if your customers aren't receiving your invoices, sales receipts, estimates, statements, or reports via email: Troubleshoot if customers aren't receiving emails from QuickBooks Online.
Please don't hesitate to respond to this thread should you need additional assistance sending an email to QuickBooks Online. I'll be on the lookout. Keep safe.