Warning: call_user_func() expects parameter 1 to be a valid callback, function 'imagecreatefromjpeg' not found or invalid function name  in /var/www/liveShop/lib/Varien/Image/Adapter/Gd2.php on line 74

#0 [internal function]: mageCoreErrorHandler(2, 'call_user_func(...', '/var/www/liveSh...', 74, Array)
#1 /var/www/liveShop/lib/Varien/Image/Adapter/Gd2.php(74): call_user_func('imagecreatefrom...', '/var/www/liveSh...')
#2 /var/www/liveShop/lib/Varien/Image.php(70): Varien_Image_Adapter_Gd2->open('/var/www/liveSh...')
#3 /var/www/liveShop/lib/Varien/Image.php(52): Varien_Image->open()
#4 /var/www/liveShop/app/code/core/Mage/Catalog/Model/Product/Image.php(380): Varien_Image->__construct('/var/www/liveSh...')
#5 /var/www/liveShop/app/code/core/Mage/Catalog/Helper/Image.php(592): Mage_Catalog_Model_Product_Image->getImageProcessor()
#6 /var/www/liveShop/app/code/local/Itactica/Intenso/Helper/Data.php(285): Mage_Catalog_Helper_Image->getOriginalWidth()
#7 /var/www/liveShop/app/design/frontend/intenso/default/template/catalog/product/view/media.phtml(21): Itactica_Intenso_Helper_Data->getGalleryImagesHeight(Object(Varien_Data_Collection), Object(Mage_Catalog_Model_Product), 500)
#8 /var/www/liveShop/app/code/core/Mage/Core/Block/Template.php(241): include('/var/www/liveSh...')
#9 /var/www/liveShop/app/code/core/Mage/Core/Block/Template.php(272): Mage_Core_Block_Template->fetchView('frontend/intens...')
#10 /var/www/liveShop/app/code/core/Mage/Core/Block/Template.php(286): Mage_Core_Block_Template->renderView()
#11 /var/www/liveShop/app/code/core/Mage/Core/Block/Abstract.php(923): Mage_Core_Block_Template->_toHtml()
#12 /var/www/liveShop/app/code/core/Mage/Core/Block/Abstract.php(641): Mage_Core_Block_Abstract->toHtml()
#13 /var/www/liveShop/app/code/core/Mage/Core/Block/Abstract.php(585): Mage_Core_Block_Abstract->_getChildHtml('media', true)
#14 /var/www/liveShop/app/design/frontend/intenso/default/template/catalog/product/view.phtml(55): Mage_Core_Block_Abstract->getChildHtml('media')
#15 /var/www/liveShop/app/code/core/Mage/Core/Block/Template.php(241): include('/var/www/liveSh...')
#16 /var/www/liveShop/app/code/core/Mage/Core/Block/Template.php(272): Mage_Core_Block_Template->fetchView('frontend/intens...')
#17 /var/www/liveShop/app/code/core/Mage/Core/Block/Template.php(286): Mage_Core_Block_Template->renderView()
#18 /var/www/liveShop/app/code/core/Mage/Core/Block/Abstract.php(923): Mage_Core_Block_Template->_toHtml()
#19 /var/www/liveShop/app/code/core/Mage/Core/Block/Text/List.php(43): Mage_Core_Block_Abstract->toHtml()
#20 /var/www/liveShop/app/code/core/Mage/Core/Block/Abstract.php(923): Mage_Core_Block_Text_List->_toHtml()
#21 /var/www/liveShop/app/code/core/Mage/Core/Block/Abstract.php(641): Mage_Core_Block_Abstract->toHtml()
#22 /var/www/liveShop/app/code/core/Mage/Core/Block/Abstract.php(585): Mage_Core_Block_Abstract->_getChildHtml('content', true)
#23 /var/www/liveShop/app/design/frontend/intenso/default/template/page/2columns-right.phtml(31): Mage_Core_Block_Abstract->getChildHtml('content')
#24 /var/www/liveShop/app/code/core/Mage/Core/Block/Template.php(241): include('/var/www/liveSh...')
#25 /var/www/liveShop/app/code/core/Mage/Core/Block/Template.php(272): Mage_Core_Block_Template->fetchView('frontend/intens...')
#26 /var/www/liveShop/app/code/core/Mage/Core/Block/Template.php(286): Mage_Core_Block_Template->renderView()
#27 /var/www/liveShop/app/code/core/Mage/Core/Block/Abstract.php(923): Mage_Core_Block_Template->_toHtml()
#28 /var/www/liveShop/app/code/core/Mage/Core/Model/Layout.php(555): Mage_Core_Block_Abstract->toHtml()
#29 /var/www/liveShop/app/code/core/Mage/Core/Controller/Varien/Action.php(390): Mage_Core_Model_Layout->getOutput()
#30 /var/www/liveShop/app/code/core/Mage/Cms/Helper/Page.php(137): Mage_Core_Controller_Varien_Action->renderLayout()
#31 /var/www/liveShop/app/code/core/Mage/Cms/Helper/Page.php(52): Mage_Cms_Helper_Page->_renderPage(Object(Mage_Cms_IndexController), 'no-route')
#32 /var/www/liveShop/app/code/core/Mage/Cms/controllers/IndexController.php(75): Mage_Cms_Helper_Page->renderPage(Object(Mage_Cms_IndexController), 'no-route')
#33 /var/www/liveShop/app/code/core/Mage/Core/Controller/Varien/Action.php(418): Mage_Cms_IndexController->noRouteAction()
#34 /var/www/liveShop/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(254): Mage_Core_Controller_Varien_Action->dispatch('noRoute')
#35 /var/www/liveShop/app/code/core/Mage/Core/Controller/Varien/Front.php(172): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#36 /var/www/liveShop/app/code/core/Mage/Core/Model/App.php(365): Mage_Core_Controller_Varien_Front->dispatch()
#37 /var/www/liveShop/app/Mage.php(684): Mage_Core_Model_App->run(Array)
#38 /var/www/liveShop/index.php(83): Mage::run('aerex', 'website')
#39 {main}