Send alert emails are coming with blank values despite mandatory form fill values
Hey,
I found a problem recently and I want to understand it better.
I put a form on a Marketo landing page. Everything is in the same program. I set it up so that when someone fills out the form, a sales rep gets an alert. But there were some contacts who filled out the form, yet their first name, last name, and email address were missing, even though those fields are required and sales owner received blank email.
When I checked the program members, I saw this icon:

Can anyone help me what it is actually?