Item (Mage_Catalog_Model_Product) with the same id "762" already exist

#0 /var/www/vhosts/gennaroregina.com/httpdocs/app/code/core/Mage/Eav/Model/Entity/Collection/Abstract.php(265): Varien_Data_Collection->addItem(Object(Mage_Catalog_Model_Product))
#1 /var/www/vhosts/gennaroregina.com/httpdocs/app/code/core/Mage/Eav/Model/Entity/Collection/Abstract.php(1055): Mage_Eav_Model_Entity_Collection_Abstract->addItem(Object(Mage_Catalog_Model_Product))
#2 /var/www/vhosts/gennaroregina.com/httpdocs/app/code/core/Mage/Eav/Model/Entity/Collection/Abstract.php(871): Mage_Eav_Model_Entity_Collection_Abstract->_loadEntities(false, false)
#3 /var/www/vhosts/gennaroregina.com/httpdocs/app/code/core/Mage/Review/Model/Observer.php(78): Mage_Eav_Model_Entity_Collection_Abstract->load()
#4 /var/www/vhosts/gennaroregina.com/httpdocs/app/code/core/Mage/Core/Model/App.php(1358): Mage_Review_Model_Observer->catalogBlockProductCollectionBeforeToHtml(Object(Varien_Event_Observer))
#5 /var/www/vhosts/gennaroregina.com/httpdocs/app/code/core/Mage/Core/Model/App.php(1331): Mage_Core_Model_App->_callObserverMethod(Object(Mage_Review_Model_Observer), 'catalogBlockPro...', Object(Varien_Event_Observer))
#6 /var/www/vhosts/gennaroregina.com/httpdocs/app/Mage.php(448): Mage_Core_Model_App->dispatchEvent('catalog_block_p...', Array)
#7 /var/www/vhosts/gennaroregina.com/httpdocs/app/code/core/Mage/Catalog/Block/Product/List.php(164): Mage::dispatchEvent('catalog_block_p...', Array)
#8 /var/www/vhosts/gennaroregina.com/httpdocs/app/code/core/Mage/Core/Block/Abstract.php(922): Mage_Catalog_Block_Product_List->_beforeToHtml()
#9 /var/www/vhosts/gennaroregina.com/httpdocs/app/code/core/Mage/Core/Block/Text/List.php(43): Mage_Core_Block_Abstract->toHtml()
#10 /var/www/vhosts/gennaroregina.com/httpdocs/app/code/core/Mage/Core/Block/Abstract.php(923): Mage_Core_Block_Text_List->_toHtml()
#11 /var/www/vhosts/gennaroregina.com/httpdocs/app/code/core/Mage/Core/Block/Abstract.php(641): Mage_Core_Block_Abstract->toHtml()
#12 /var/www/vhosts/gennaroregina.com/httpdocs/app/code/core/Mage/Core/Block/Abstract.php(585): Mage_Core_Block_Abstract->_getChildHtml('content', true)
#13 /var/www/vhosts/gennaroregina.com/httpdocs/app/design/frontend/look/look02/template/page/1column.phtml(68): Mage_Core_Block_Abstract->getChildHtml('content')
#14 /var/www/vhosts/gennaroregina.com/httpdocs/app/code/core/Mage/Core/Block/Template.php(241): include('/var/www/vhosts...')
#15 /var/www/vhosts/gennaroregina.com/httpdocs/app/code/core/Mage/Core/Block/Template.php(272): Mage_Core_Block_Template->fetchView('frontend/look/l...')
#16 /var/www/vhosts/gennaroregina.com/httpdocs/app/code/core/Mage/Core/Block/Template.php(286): Mage_Core_Block_Template->renderView()
#17 /var/www/vhosts/gennaroregina.com/httpdocs/app/code/core/Mage/Core/Block/Abstract.php(923): Mage_Core_Block_Template->_toHtml()
#18 /var/www/vhosts/gennaroregina.com/httpdocs/app/code/core/Mage/Core/Model/Layout.php(555): Mage_Core_Block_Abstract->toHtml()
#19 /var/www/vhosts/gennaroregina.com/httpdocs/app/code/core/Mage/Core/Controller/Varien/Action.php(390): Mage_Core_Model_Layout->getOutput()
#20 /var/www/vhosts/gennaroregina.com/httpdocs/app/code/core/Mage/Cms/Helper/Page.php(137): Mage_Core_Controller_Varien_Action->renderLayout()
#21 /var/www/vhosts/gennaroregina.com/httpdocs/app/code/core/Mage/Cms/Helper/Page.php(52): Mage_Cms_Helper_Page->_renderPage(Object(Exinent_CustomerActivation_PageController), '28')
#22 /var/www/vhosts/gennaroregina.com/httpdocs/app/code/community/Exinent/CustomerActivation/controllers/PageController.php(49): Mage_Cms_Helper_Page->renderPage(Object(Exinent_CustomerActivation_PageController), '28')
#23 /var/www/vhosts/gennaroregina.com/httpdocs/app/code/core/Mage/Core/Controller/Varien/Action.php(418): Exinent_CustomerActivation_PageController->viewAction()
#24 /var/www/vhosts/gennaroregina.com/httpdocs/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(254): Mage_Core_Controller_Varien_Action->dispatch('view')
#25 /var/www/vhosts/gennaroregina.com/httpdocs/app/code/core/Mage/Core/Controller/Varien/Front.php(172): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#26 /var/www/vhosts/gennaroregina.com/httpdocs/app/code/core/Mage/Core/Model/App.php(365): Mage_Core_Controller_Varien_Front->dispatch()
#27 /var/www/vhosts/gennaroregina.com/httpdocs/app/Mage.php(684): Mage_Core_Model_App->run(Array)
#28 /var/www/vhosts/gennaroregina.com/httpdocs/index.php(133): Mage::run('default', 'store')
#29 {main}