Fatal error: Uncaught exception ‘Exception’ with message ‘Item (Mage_Catalog_Model_Product) with the same id « 3058 » already exist’ in /home/ett/public_html/lib/Varien/Data/Collection.php:373
Solution ligne 265 dans core/Mage/Eav/Model/Entity/Collection/Abstract.php
remplacer : return parent::addItem($object);
par : try { return parent::addItem($object); } catch (Exception $ex) { }