Sounds like there may be an issue with your PDF form…
Q. Are you able to EXPORT merged PDFs from the plugin’s EXPORT tab?
If no, use this form to send us your PDF or login credentials so we may review further.
If yes, see below…
Or, there may be other test, failed, or abandoned field map layouts for the same Formidable form that are set to send attachment.
. Check all other Field Map Layouts for the same Formidable form to be sure they are working or disabled.
If the above does not help, use this form to provide us with login credentials or upload a PRO2PDF template of your field map layout.
We remain at your service.