Fatal error: Uncaught Error: Call to a member function getItems() on null in /var/vhosts/october-es/vendor/magento/module-catalog/Block/Product/ProductList/Upsell.php:146 Stack trace: #0 /var/vhosts/october-es/var/generation/Anowave/Ec/Preference/Upsell/Interceptor.php(50): Magento\Catalog\Block\Product\ProductList\Upsell->getItems() #1 /var/vhosts/october-es/vendor/magento/module-catalog/Block/Product/ProductList/Upsell.php(238): Anowave\Ec\Preference\Upsell\Interceptor->getItems() #2 /var/vhosts/october-es/var/generation/Anowave/Ec/Preference/Upsell/Interceptor.php(154): Magento\Catalog\Block\Product\ProductList\Upsell->getIdentities() #3 /var/vhosts/october-es/vendor/magento/module-page-cache/Model/Layout/LayoutPlugin.php(71): Anowave\Ec\Preference\Upsell\Interceptor->getIdentities() #4 /var/vhosts/october-es/vendor/magento/framework/Interception/Interceptor.php(152): Magento\PageCache\Model\Layout\LayoutPlugin->afterGetOutput(Object(Magento\Framework\View\Layout\Interceptor), '<script type="t...') #5 /var/vhosts/octob in /var/vhosts/october-es/vendor/magento/module-catalog/Block/Product/ProductList/Upsell.php on line 146