Why was the receipt not sent?

The payment's status, on the Payments card of the student's profile, gives the reason. The owner and the instructor can view that card and tap Send receipt or Resend once the problem is fixed.

• Not sent: automatic sending is off (Settings, Automatically send a receipt after each payment). Tap Send receipt.
• Not sent: no address: neither the adult student nor any parent in the family has an email. The owner adds one.
• Not sent: school address missing: the owner enters the address in Settings, Payment receipts section. Without the school address no receipt is sent.
• Not sent: school sending paused: the school's email sending is stopped (paused or school suspended). The error message says "stopped", the status says "paused": same situation. The owner writes to support (bonjour@martialnote.com). Receipts that were not sent do not go out on their own: resend them by hand afterwards.
• Sending failed: the email could not be delivered. Check the recipient's address (the owner sees it on the card) then tap Resend.

If the status is Sent on … but the person finds nothing, ask them to check their junk folder.