Fatal error: Uncaught Error: Call to a member function getId() on null in /var/www/aitoc.com/public_html/app/code/local/Aitoc/AitLinkedProducts/Block/Catalog/Product/Linked.php:12 Stack trace: #0 /var/www/aitoc.com/public_html/lib/Varien/Object.php(112): Aitoc_AitLinkedProducts_Block_Catalog_Product_Linked->_construct() #1 /var/www/aitoc.com/public_html/app/code/core/Mage/Core/Block/Abstract.php(198): Varien_Object->__construct(Array) #2 /var/www/aitoc.com/public_html/app/code/core/Mage/Core/Model/Layout.php(491): Mage_Core_Block_Abstract->__construct(Array) #3 /var/www/aitoc.com/public_html/app/code/core/Mage/Core/Model/Layout.php(437): Mage_Core_Model_Layout->_getBlockInstance('Aitoc_AitLinked...', Array) #4 /var/www/aitoc.com/public_html/app/code/core/Mage/Core/Model/Layout.php(472): Mage_Core_Model_Layout->createBlock('aitlinkedproduc...', 'aitlinkedproduc...') #5 /var/www/aitoc.com/public_html/app/code/core/Mage/Core/Model/Layout.php(239): Mage_Core_Model_Layout->addBlock('aitlinkedproduc...', 'aitlinkedproduc...') # in /var/www/aitoc.com/public_html/app/code/local/Aitoc/AitLinkedProducts/Block/Catalog/Product/Linked.php on line 12