TicketFactory : correctif init section et merchant

Factory/Ticket/TicketFactory.php

@@ -16,13 +16,14 @@ class TicketFactory extends SovTicketFactory
     {
         $ticket = parent::create();
 
-        if(!is_null($this->section)) {
+        if(isset($this->section) && !is_null($this->section)) {
             $ticket->setSection($this->section);
         }
 
-        if(!is_null($this->merchant)) {
+        if(isset($this->merchant) && !is_null($this->merchant)) {
             $ticket->setMerchant($this->merchant);
         }
+
         return $ticket;
     }
 }