Hi @loncar
I have this same problem. I have custom field Email in my form and also send from have valid values.
In debug tab I have following message:
———— ERROR #1 ————
TYPE: MAIL
ERRORS: {“wp_mail_failed”:[“You must provide at least one recipient email address.”]}
ERRORS_DATA: {“wp_mail_failed”:{“to”:[“”],”subject”:”Reservation 2″,”message”:”<p>Oczekuje na maila<\/p>”,”headers”:[],”attachments”:[],”phpmailer_exception_code”:2}}
———- ERROR #1 END ——
Many thanks!
Bartosz