urgent production issue: notifications / emails not sent

Summary

when suppliers register through the portal, no approval notification/email is sent

Content

Hi,

when suppliers register via the external supplier registration, no notfication / email is sent to the approver, althoug an approval flow has been set up. 

The worklfow is working because in the BPM worklist the notification is shown.

Please see attachment.

Could you please assist, this is a very urgent issue for us.

Thank you

Jasper