Fatal error: Uncaught Error: Call to a member function getId() on null in /var/www/fauchon.com/app/code/community/MageWorx/DeliveryZone/Model/Estimate.php:52 Stack trace: #0 /var/www/fauchon.com/app/code/community/MageWorx/DeliveryZone/Model/Observer.php(222): MageWorx_DeliveryZone_Model_Estimate->estimatePrice('2364') #1 /var/www/fauchon.com/app/code/core/Mage/Core/Model/App.php(1358): MageWorx_DeliveryZone_Model_Observer->estimateProductPrice(Object(Varien_Event_Observer)) #2 /var/www/fauchon.com/app/code/core/Mage/Core/Model/App.php(1337): Mage_Core_Model_App->_callObserverMethod(Object(MageWorx_DeliveryZone_Model_Observer), 'estimateProduct...', Object(Varien_Event_Observer)) #3 /var/www/fauchon.com/app/Mage.php(448): Mage_Core_Model_App->dispatchEvent('controller_acti...', Array) #4 /var/www/fauchon.com/app/code/core/Mage/Core/Controller/Varien/Action.php(531): Mage::dispatchEvent('controller_acti...', Array) #5 /var/www/fauchon.com/app/code/core/Mage/Core/Controller/Front/Action.php(69): Mage_Core_Controller_Varien_ in /var/www/fauchon.com/app/code/community/MageWorx/DeliveryZone/Model/Estimate.php on line 52