If 1 name is given set it to the first name.

app/models/end_user.rb

@@ -435,8 +435,7 @@ def name=(val)
       self.first_name = other_names[0]
       self.middle_name = other_names[1..-1].join(" ") if other_names[1..-1]
     else
-      self.first_name = ''
-      self.last_name = name[0]
+      self.first_name = name[0]
     end  
   end