a:5:{i:0;s:294:"SQLSTATE[42S22]: Column not found: 1054 Unknown column 'stores' in 'where clause', query was: SELECT main_table.* FROM slideshow AS main_table WHERE ((FIND_IN_SET('1', stores)) OR (sto$ #1 /var/customers/webs/edelpaulig/app/code/core/Zend/Db/Statement.php(291): Varien_Db_Statement_Pdo_Mysql->_execute(Array) #2 /var/customers/webs/edelpaulig/lib/Zend/Db/Adapter/Abstract.php(480): Zend_Db_Statement->execute(Array) #3 /var/customers/webs/edelpaulig/lib/Zend/Db/Adapter/Pdo/Abstract.php(238): Zend_Db_Adapter_Abstract->query('SELECT main_ta...', Array)
#4 /var/customers/webs/edelpaulig/lib/Varien/Db/Adapter/Pdo/Mysql.php(504): Zend_Db_Adapter_Pdo_Abstract->query('SELECT main_ta...', Array) #5 /var/customers/webs/edelpaulig/lib/Zend/Db/Adapter/Abstract.php(737): Varien_Db_Adapter_Pdo_Mysql->query('SELECT main_ta...', Array)
#6 /var/customers/webs/edelpaulig/lib/Varien/Data/Collection/Db.php(740): Zend_Db_Adapter_Abstract->fetchAll('SELECT main_ta...', Array) #7 /var/customers/webs/edelpaulig/app/code/core/Mage/Core/Model/Resource/Db/Collection/Abstract.php(521): Varien_Data_Collection_Db->_fetchAll('SELECT main_ta...', Array)
#8 /var/customers/webs/edelpaulig/lib/Varien/Data/Collection/Db.php(572): Mage_Core_Model_Resource_Db_Collection_Abstract->getData()
#9 /var/customers/webs/edelpaulig/lib/Varien/Data/Collection.php(752): Varien_Data_Collection_Db->load()
#10 [internal function]: Varien_Data_Collection->count()
#11 /var/customers/webs/edelpaulig/.modman/MageProfis_Edelmannpaulig/src/app/design/frontend/edelmannpaulig/default/template/slideshow/slideshow.phtml(15): count(Object(Dolphin_Slideshow_Model_Mysql4_Slideshow$
#12 /var/customers/webs/edelpaulig/app/code/core/Mage/Core/Block/Template.php(241): include('/var/customers/...')
#13 /var/customers/webs/edelpaulig/app/code/core/Mage/Core/Block/Template.php(272): Mage_Core_Block_Template->fetchView('frontend/edelma...')
#14 /var/customers/webs/edelpaulig/app/code/core/Mage/Core/Block/Template.php(286): Mage_Core_Block_Template->renderView()
#15 /var/customers/webs/edelpaulig/app/code/core/Mage/Core/Block/Abstract.php(919): Mage_Core_Block_Template->_toHtml()
#16 /var/customers/webs/edelpaulig/app/code/core/Mage/Core/Block/Text/List.php(43): Mage_Core_Block_Abstract->toHtml()
#17 /var/customers/webs/edelpaulig/app/code/core/Mage/Core/Block/Abstract.php(919): Mage_Core_Block_Text_List->_toHtml()
#18 /var/customers/webs/edelpaulig/app/code/core/Mage/Core/Block/Abstract.php(637): Mage_Core_Block_Abstract->toHtml()
#19 /var/customers/webs/edelpaulig/app/code/core/Mage/Core/Block/Abstract.php(581): Mage_Core_Block_Abstract->_getChildHtml('after_header', true)
#20 /var/customers/webs/edelpaulig/.modman/MageProfis_Edelmannpaulig/src/app/design/frontend/edelmannpaulig/default/template/page/2columns-right.phtml(40): Mage_Core_Block_Abstract->getChildHtml('after_header')
#21 /var/customers/webs/edelpaulig/app/code/core/Mage/Core/Block/Template.php(241): include('/var/customers/...')
#22 /var/customers/webs/edelpaulig/app/code/core/Mage/Core/Block/Template.php(272): Mage_Core_Block_Template->fetchView('frontend/edelma...')
#23 /var/customers/webs/edelpaulig/app/code/core/Mage/Core/Block/Template.php(286): Mage_Core_Block_Template->renderView()
#24 /var/customers/webs/edelpaulig/app/code/core/Mage/Core/Block/Abstract.php(919): Mage_Core_Block_Template->_toHtml()
#25 /var/customers/webs/edelpaulig/app/code/core/Mage/Core/Model/Layout.php(555): Mage_Core_Block_Abstract->toHtml()
#26 /var/customers/webs/edelpaulig/app/code/core/Mage/Core/Controller/Varien/Action.php(390): Mage_Core_Model_Layout->getOutput()
#27 /var/customers/webs/edelpaulig/app/code/core/Mage/Cms/Helper/Page.php(137): Mage_Core_Controller_Varien_Action->renderLayout()
#28 /var/customers/webs/edelpaulig/app/code/core/Mage/Cms/Helper/Page.php(52): Mage_Cms_Helper_Page->_renderPage(Object(Mage_Cms_IndexController), 'home')
#29 /var/customers/webs/edelpaulig/app/code/core/Mage/Cms/controllers/IndexController.php(45): Mage_Cms_Helper_Page->renderPage(Object(Mage_Cms_IndexController), 'home')
#30 /var/customers/webs/edelpaulig/app/code/core/Mage/Core/Controller/Varien/Action.php(418): Mage_Cms_IndexController->indexAction()
#31 /var/customers/webs/edelpaulig/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(254): Mage_Core_Controller_Varien_Action->dispatch('index')
#32 /var/customers/webs/edelpaulig/app/code/core/Mage/Core/Controller/Varien/Front.php(172): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#33 /var/customers/webs/edelpaulig/app/code/core/Mage/Core/Model/App.php(365): Mage_Core_Controller_Varien_Front->dispatch()
#34 /var/customers/webs/edelpaulig/app/Mage.php(684): Mage_Core_Model_App->run(Array)
#35 /var/customers/webs/edelpaulig/index.php(83): Mage::run('', 'store')
#36 {main}";s:3:"url";s:1:"/";s:11:"script_name";s:10:"/index.php";s:4:"skin";s:7:"default";}

Owl slider needs three CSS files to work, Slick only uses two. When using Slick slider, the transition.css file from owl is still added to the HTML head section with an empty value. We need a better mechanism to add files to the head section, maybe with an observer?