Fatal error: Uncaught Error: Call to a member function getDefaultPlaceholderUrl() on null in /domains/building-supplies-online.co.uk/magento2/vendor/magento/module-catalog/view/frontend/templates/product/view/gallery.phtml:27 Stack trace: #0 /domains/building-supplies-online.co.uk/magento2/vendor/magento/framework/View/TemplateEngine/Php.php(59): include() #1 /domains/building-supplies-online.co.uk/magento2/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Framework\View\TemplateEngine\Php->render(Object(Magento\Catalog\Block\Product\View\Gallery\Interceptor), '/domains/buildi...', Array) #2 /domains/building-supplies-online.co.uk/magento2/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Framework\View\TemplateEngine\Php\Interceptor->___callParent('render', Array) #3 /domains/building-supplies-online.co.uk/magento2/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\View\TemplateEngine\Php\Interceptor->Magento\Framework\Interception\{closure}(Object(Magento\Cat in /domains/building-supplies-online.co.uk/magento2/vendor/magento/module-catalog/view/frontend/templates/product/view/gallery.phtml on line 27