You cannot define a correlation name 'bs' more than once

#0 /home/apoorvflipnclick/public_html/lib/Varien/Db/Select.php(281): Zend_Db_Select->_join('left join', Array, 'bs.product_id =...', Array, NULL)
#1 /home/apoorvflipnclick/public_html/lib/Zend/Db/Select.php(357): Varien_Db_Select->_join('left join', Array, 'bs.product_id =...', Array, NULL)
#2 /home/apoorvflipnclick/public_html/app/code/local/Mage/Catalog/Model/Resource/Product/Collection.php(2185): Zend_Db_Select->joinLeft(Array, 'bs.product_id =...', Array)
#3 /home/apoorvflipnclick/public_html/app/code/local/Mage/Catalog/Block/Product/List/Toolbar.php(233): Mage_Catalog_Model_Resource_Product_Collection->sortBymostview('desc')
#4 /home/apoorvflipnclick/public_html/app/code/core/Mage/Catalog/Block/Product/List.php(159): Mage_Catalog_Block_Product_List_Toolbar->setCollection(Object(Mage_Catalog_Model_Resource_Product_Collection))
#5 /home/apoorvflipnclick/public_html/app/code/core/Mage/Core/Block/Abstract.php(918): Mage_Catalog_Block_Product_List->_beforeToHtml()
#6 /home/apoorvflipnclick/public_html/app/design/frontend/codazon_unlimited/default/template/catalog/product/list.phtml(12): Mage_Core_Block_Abstract->toHtml()
#7 /home/apoorvflipnclick/public_html/app/code/core/Mage/Core/Block/Template.php(241): include('/home/apoorvfli...')
#8 /home/apoorvflipnclick/public_html/app/code/core/Mage/Core/Block/Template.php(272): Mage_Core_Block_Template->fetchView('frontend/codazo...')
#9 /home/apoorvflipnclick/public_html/app/code/core/Mage/Core/Block/Template.php(286): Mage_Core_Block_Template->renderView()
#10 /home/apoorvflipnclick/public_html/app/code/core/Mage/Core/Block/Abstract.php(919): Mage_Core_Block_Template->_toHtml()
#11 /home/apoorvflipnclick/public_html/app/code/core/Mage/Core/Block/Abstract.php(637): Mage_Core_Block_Abstract->toHtml()
#12 /home/apoorvflipnclick/public_html/app/code/core/Mage/Core/Block/Abstract.php(581): Mage_Core_Block_Abstract->_getChildHtml('product_list', true)
#13 /home/apoorvflipnclick/public_html/app/code/core/Mage/Catalog/Block/Category/View.php(90): Mage_Core_Block_Abstract->getChildHtml('product_list')
#14 /home/apoorvflipnclick/public_html/app/design/frontend/base/default/template/catalog/category/view.phtml(70): Mage_Catalog_Block_Category_View->getProductListHtml()
#15 /home/apoorvflipnclick/public_html/app/code/core/Mage/Core/Block/Template.php(241): include('/home/apoorvfli...')
#16 /home/apoorvflipnclick/public_html/app/code/core/Mage/Core/Block/Template.php(272): Mage_Core_Block_Template->fetchView('frontend/base/d...')
#17 /home/apoorvflipnclick/public_html/app/code/core/Mage/Core/Block/Template.php(286): Mage_Core_Block_Template->renderView()
#18 /home/apoorvflipnclick/public_html/app/code/core/Mage/Core/Block/Abstract.php(919): Mage_Core_Block_Template->_toHtml()
#19 /home/apoorvflipnclick/public_html/app/design/frontend/codazon_unlimited/default/template/catalog/category/view-container.phtml(10): Mage_Core_Block_Abstract->toHtml()
#20 /home/apoorvflipnclick/public_html/app/code/core/Mage/Core/Block/Template.php(241): include('/home/apoorvfli...')
#21 /home/apoorvflipnclick/public_html/app/code/core/Mage/Core/Block/Template.php(272): Mage_Core_Block_Template->fetchView('frontend/codazo...')
#22 /home/apoorvflipnclick/public_html/app/code/core/Mage/Core/Block/Template.php(286): Mage_Core_Block_Template->renderView()
#23 /home/apoorvflipnclick/public_html/app/code/core/Mage/Core/Block/Abstract.php(919): Mage_Core_Block_Template->_toHtml()
#24 /home/apoorvflipnclick/public_html/app/code/core/Mage/Core/Block/Text/List.php(43): Mage_Core_Block_Abstract->toHtml()
#25 /home/apoorvflipnclick/public_html/app/code/core/Mage/Core/Block/Abstract.php(919): Mage_Core_Block_Text_List->_toHtml()
#26 /home/apoorvflipnclick/public_html/app/code/core/Mage/Core/Block/Abstract.php(637): Mage_Core_Block_Abstract->toHtml()
#27 /home/apoorvflipnclick/public_html/app/code/core/Mage/Core/Block/Abstract.php(581): Mage_Core_Block_Abstract->_getChildHtml('content', true)
#28 /home/apoorvflipnclick/public_html/app/design/frontend/codazon_unlimited/default/template/page/2columns-left.phtml(59): Mage_Core_Block_Abstract->getChildHtml('content')
#29 /home/apoorvflipnclick/public_html/app/code/core/Mage/Core/Block/Template.php(241): include('/home/apoorvfli...')
#30 /home/apoorvflipnclick/public_html/app/code/core/Mage/Core/Block/Template.php(272): Mage_Core_Block_Template->fetchView('frontend/codazo...')
#31 /home/apoorvflipnclick/public_html/app/code/core/Mage/Core/Block/Template.php(286): Mage_Core_Block_Template->renderView()
#32 /home/apoorvflipnclick/public_html/app/code/core/Mage/Core/Block/Abstract.php(919): Mage_Core_Block_Template->_toHtml()
#33 /home/apoorvflipnclick/public_html/app/code/core/Mage/Core/Model/Layout.php(555): Mage_Core_Block_Abstract->toHtml()
#34 /home/apoorvflipnclick/public_html/app/code/core/Mage/Core/Controller/Varien/Action.php(390): Mage_Core_Model_Layout->getOutput()
#35 /home/apoorvflipnclick/public_html/app/code/core/Mage/Catalog/controllers/CategoryController.php(161): Mage_Core_Controller_Varien_Action->renderLayout()
#36 /home/apoorvflipnclick/public_html/app/code/core/Mage/Core/Controller/Varien/Action.php(418): Mage_Catalog_CategoryController->viewAction()
#37 /home/apoorvflipnclick/public_html/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(250): Mage_Core_Controller_Varien_Action->dispatch('view')
#38 /home/apoorvflipnclick/public_html/app/code/core/Mage/Core/Controller/Varien/Front.php(172): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#39 /home/apoorvflipnclick/public_html/app/code/core/Mage/Core/Model/App.php(354): Mage_Core_Controller_Varien_Front->dispatch()
#40 /home/apoorvflipnclick/public_html/app/Mage.php(684): Mage_Core_Model_App->run(Array)
#41 /home/apoorvflipnclick/public_html/index.php(87): Mage::run('', 'store')
#42 {main}