Item (Mage_Catalog_Model_Product) with the same id "2150" already exist

#0 /var/www/shop_magento/app/code/core/Mage/Eav/Model/Entity/Collection/Abstract.php(188): Varien_Data_Collection->addItem(Object(Mage_Catalog_Model_Product))
#1 /var/www/shop_magento/app/code/core/Mage/Eav/Model/Entity/Collection/Abstract.php(855): Mage_Eav_Model_Entity_Collection_Abstract->addItem(Object(Mage_Catalog_Model_Product))
#2 /var/www/shop_magento/app/code/core/Mage/Eav/Model/Entity/Collection/Abstract.php(702): Mage_Eav_Model_Entity_Collection_Abstract->_loadEntities(false, false)
#3 /var/www/shop_magento/lib/Varien/Data/Collection.php(254): Mage_Eav_Model_Entity_Collection_Abstract->load()
#4 /var/www/shop_magento/app/design/frontend/timeout/timeout/template/catalog/product/new.phtml(51): Varien_Data_Collection->getItems()
#5 /var/www/shop_magento/app/code/core/Mage/Core/Block/Template.php(144): include('/var/www/shop_m...')
#6 /var/www/shop_magento/app/code/core/Mage/Core/Block/Template.php(176): Mage_Core_Block_Template->fetchView('frontend/timeou...')
#7 /var/www/shop_magento/app/code/core/Mage/Core/Block/Template.php(193): Mage_Core_Block_Template->renderView()
#8 /var/www/shop_magento/app/code/core/Mage/Core/Block/Abstract.php(643): Mage_Core_Block_Template->_toHtml()
#9 /var/www/shop_magento/app/code/core/Mage/Core/Block/Text/List.php(43): Mage_Core_Block_Abstract->toHtml()
#10 /var/www/shop_magento/app/code/core/Mage/Core/Block/Abstract.php(643): Mage_Core_Block_Text_List->_toHtml()
#11 /var/www/shop_magento/app/code/core/Mage/Core/Block/Abstract.php(503): Mage_Core_Block_Abstract->toHtml()
#12 /var/www/shop_magento/app/code/core/Mage/Core/Block/Abstract.php(454): Mage_Core_Block_Abstract->_getChildHtml('right', true)
#13 /var/www/shop_magento/app/design/frontend/timeout/timeout/template/page/4columns.phtml(53): Mage_Core_Block_Abstract->getChildHtml('right')
#14 /var/www/shop_magento/app/code/core/Mage/Core/Block/Template.php(144): include('/var/www/shop_m...')
#15 /var/www/shop_magento/app/code/core/Mage/Core/Block/Template.php(176): Mage_Core_Block_Template->fetchView('frontend/timeou...')
#16 /var/www/shop_magento/app/code/core/Mage/Core/Block/Template.php(193): Mage_Core_Block_Template->renderView()
#17 /var/www/shop_magento/app/code/core/Mage/Core/Block/Abstract.php(643): Mage_Core_Block_Template->_toHtml()
#18 /var/www/shop_magento/app/code/core/Mage/Core/Model/Layout.php(525): Mage_Core_Block_Abstract->toHtml()
#19 /var/www/shop_magento/app/code/core/Mage/Core/Controller/Varien/Action.php(339): Mage_Core_Model_Layout->getOutput()
#20 /var/www/shop_magento/app/code/core/Mage/Catalog/controllers/CategoryController.php(96): Mage_Core_Controller_Varien_Action->renderLayout()
#21 /var/www/shop_magento/app/code/core/Mage/Core/Controller/Varien/Action.php(367): Mage_Catalog_CategoryController->viewAction()
#22 /var/www/shop_magento/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(163): Mage_Core_Controller_Varien_Action->dispatch('view')
#23 /var/www/shop_magento/app/code/core/Mage/Core/Controller/Varien/Front.php(158): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#24 /var/www/shop_magento/app/Mage.php(460): Mage_Core_Controller_Varien_Front->dispatch()
#25 /var/www/shop_magento/index.php(74): Mage::run()
#26 {main}