Fatal error: Uncaught ArgumentCountError: Too few arguments to function Mage_Page_Block_Html_Head::addLinkRel(), 1 passed in /var/www/html/app/code/core/Mage/Core/Model/Layout.php on line 348 and exactly 2 expected in /var/www/html/app/code/core/Mage/Page/Block/Html/Head.php:105 Stack trace: #0 /var/www/html/app/code/core/Mage/Core/Model/Layout.php(348): Mage_Page_Block_Html_Head->addLinkRel('canonical') #1 /var/www/html/app/code/core/Mage/Core/Model/Layout.php(214): Mage_Core_Model_Layout->_generateAction(Object(Mage_Core_Model_Layout_Element), Object(Mage_Core_Model_Layout_Element)) #2 /var/www/html/app/code/core/Mage/Core/Model/Layout.php(210): Mage_Core_Model_Layout->generateBlocks(Object(Mage_Core_Model_Layout_Element)) #3 /var/www/html/app/code/core/Mage/Core/Controller/Varien/Action.php(344): Mage_Core_Model_Layout->generateBlocks() #4 /var/www/html/app/code/core/Mage/Catalog/controllers/CategoryController.php(148): Mage_Core_Controller_Varien_Action->generateLayoutBlocks() #5 /var/www/html/app/code/core/Mage/Core/ in /var/www/html/app/code/core/Mage/Page/Block/Html/Head.php on line 105