Hi,
I have a Help Desk where anyone should be able to fill up the forms and create and send issues.
Checking other posts I have so far checked that the permissions to create issues include the Public.

My security scheme is the following:

When trying to create an issue from a non-registered user, I still receive a message saying that the self-registration is disabled. (sorry the message is in spanish)

Haw can I enable it?
Thanks!