E-mail address of partner &1 does not exist

What causes this issue?

You attempted to send an XML payment advice note with an e-mail address
to a partner. However, the master record of the partner does not contain
an e-mail address.

System Response

Sending the payment advice note electronically did not work, but the
system still printed one.

How to fix this error?

Define in the company code data for the partner master record an e-mail
address for sending the XML payment advice note with the option
<LS>Payment Advice per E-Mail</>.

Procedure for System Administrators

The processing was terminated.

Error message extract from SAP system. Copyright SAP SE.