Fatal error: Uncaught Error: Call to a member function get() on boolean in /srv/www/magento/releases/20200921150359/src/magento/app/code/core/Enterprise/PageCache/Model/Observer.php:128 Stack trace: #0 /srv/www/magento/releases/20200921150359/src/magento/app/code/core/Mage/Core/Model/App.php(1355): Enterprise_PageCache_Model_Observer->processPreDispatch(Object(Varien_Event_Observer)) #1 /srv/www/magento/releases/20200921150359/src/magento/app/code/core/Mage/Core/Model/App.php(1334): Mage_Core_Model_App->_callObserverMethod(Object(Enterprise_PageCache_Model_Observer), 'processPreDispa...', Object(Varien_Event_Observer)) #2 /srv/www/magento/releases/20200921150359/src/magento/app/Mage.php(451): Mage_Core_Model_App->dispatchEvent('controller_acti...', Array) #3 /srv/www/magento/releases/20200921150359/src/magento/app/code/core/Mage/Core/Controller/Varien/Action.php(529): Mage::dispatchEvent('controller_acti...', Array) #4 /srv/www/magento/releases/20200921150359/src/magento/app/code/core/Mage/Core/Controller/Front/Action.php in /srv/www/magento/releases/20200921150359/src/magento/app/code/core/Enterprise/PageCache/Model/Observer.php on line 128