I attach a picture.
In the picture you can see the field 'Name' twice, one of which ask the user to 'please leave this field blank'.
The same thing with password and verification, they have an additional field which asked to be left blank.
It is not always this way, and sometimes there is an additional email field.
So the name, email, password, verification can have additional fields which ask to be left blank. It seems random how many of the fields appear in one display. Sometimes it's one, sometimes it's all 4.
I have had people not reading them, so they inadvertently fill in the fields that supposed to be left blank and that stops them from registering a new account. They give up altogether after making multiple attempts.