Fatal error: Uncaught Error: Call to a member function getFullActionName() on null in /var/www/chanti/www/vendor/magento/module-persistent/Helper/Data.php:197 Stack trace: #0 /var/www/chanti/www/vendor/magento/module-persistent/Observer/ApplyPersistentDataObserver.php(67): Magento\Persistent\Helper\Data->canProcess(Object(Magento\Framework\Event\Observer)) #1 /var/www/chanti/www/vendor/magento/framework/Event/Invoker/InvokerDefault.php(88): Magento\Persistent\Observer\ApplyPersistentDataObserver->execute(Object(Magento\Framework\Event\Observer)) #2 /var/www/chanti/www/vendor/magento/framework/Event/Invoker/InvokerDefault.php(74): Magento\Framework\Event\Invoker\InvokerDefault->_callObserverMethod(Object(Magento\Persistent\Observer\ApplyPersistentDataObserver), Object(Magento\Framework\Event\Observer)) #3 /var/www/chanti/www/vendor/magento/framework/Event/Manager.php(66): Magento\Framework\Event\Invoker\InvokerDefault->dispatch(Array, Object(Magento\Framework\Event\Observer)) #4 /var/www/chanti/www/generated/code/Magento/F in /var/www/chanti/www/vendor/magento/module-persistent/Helper/Data.php on line 197