Fatal error: Uncaught Error: Call to a member function getValue() on boolean in /var/www/vhosts/kaufesein.de/httpdocs/app/code/Mageplaza/Seo/Plugin/SeoRender.php:564 Stack trace: #0 /var/www/vhosts/kaufesein.de/httpdocs/app/code/Mageplaza/Seo/Plugin/SeoRender.php(646): Mageplaza\Seo\Plugin\SeoRender->getConfigurableProductStructuredData(Object(Magento\Catalog\Model\Product\Interceptor), Array) #1 /var/www/vhosts/kaufesein.de/httpdocs/app/code/Mageplaza/Seo/Plugin/SeoRender.php(347): Mageplaza\Seo\Plugin\SeoRender->addProductStructuredDataByType('configurable', Object(Magento\Catalog\Model\Product\Interceptor), Array) #2 /var/www/vhosts/kaufesein.de/httpdocs/app/code/Mageplaza/Seo/Plugin/SeoRender.php(203): Mageplaza\Seo\Plugin\SeoRender->showProductStructuredData() #3 /var/www/vhosts/kaufesein.de/httpdocs/vendor/magento/framework/Interception/Interceptor.php(146): Mageplaza\Seo\Plugin\SeoRender->afterRenderHeadContent(Object(Magento\Framework\View\Page\Config\Renderer\Interceptor), '<meta charset="...') #4 /var/www/vhosts in /var/www/vhosts/kaufesein.de/httpdocs/app/code/Mageplaza/Seo/Plugin/SeoRender.php on line 564