Fatal error: Uncaught Error: Call to a member function load() on boolean in /var/www/www.musicbros.net/htdocs/app/code/local/Amasty/Shopby/Model/Observer.php:330 Stack trace: #0 /var/www/www.musicbros.net/htdocs/app/code/local/Amasty/Shopby/Model/Observer.php(298): Amasty_Shopby_Model_Observer->disableCacheOnSubcategoriesBlock(Object(Varien_Event_Observer)) #1 /var/www/www.musicbros.net/htdocs/app/code/core/Mage/Core/Model/App.php(1358): Amasty_Shopby_Model_Observer->onCoreBlockAbstractToHtmlBefore(Object(Varien_Event_Observer)) #2 /var/www/www.musicbros.net/htdocs/app/code/core/Mage/Core/Model/App.php(1337): Mage_Core_Model_App->_callObserverMethod(Object(Amasty_Shopby_Model_Observer), 'onCoreBlockAbst...', Object(Varien_Event_Observer)) #3 /var/www/www.musicbros.net/htdocs/app/Mage.php(451): Mage_Core_Model_App->dispatchEvent('core_block_abst...', Array) #4 /var/www/www.musicbros.net/htdocs/app/code/core/Mage/Core/Block/Abstract.php(910): Mage::dispatchEvent('core_block_abst...', Array) #5 /var/www/www.musicbros.net/htd in /var/www/www.musicbros.net/htdocs/app/code/local/Amasty/Shopby/Model/Observer.php on line 330