Fatal error: Uncaught Error: Call to a member function getId() on null in /var/www/html/vendor/magento/module-backend/Block/Menu.php:233 Stack trace: #0 /var/www/html/vendor/magento/framework/View/Element/AbstractBlock.php(1035): Magento\Backend\Block\Menu->getCacheKeyInfo() #1 /var/www/html/vendor/magento/framework/View/Element/AbstractBlock.php(1093): Magento\Framework\View\Element\AbstractBlock->getCacheKey() #2 /var/www/html/vendor/magento/framework/View/Element/AbstractBlock.php(660): Magento\Framework\View\Element\AbstractBlock->_loadCache() #3 /var/www/html/vendor/magento/framework/View/Layout.php(558): Magento\Framework\View\Element\AbstractBlock->toHtml() #4 /var/www/html/vendor/magento/framework/View/Layout.php(534): Magento\Framework\View\Layout->_renderBlock('menu') #5 /var/www/html/vendor/magento/framework/View/Layout.php(489): Magento\Framework\View\Layout->renderNonCachedElement('menu') #6 /var/www/html/vendor/magento/framework/View/Layout.php(585): Magento\Framework\View\Layout->renderElement('menu') #7 /v in /var/www/html/vendor/magento/module-backend/Block/Menu.php on line 233