Fatal error: Uncaught TypeError: Return value of Amasty\Label\Model\Label\AltTag\Processors\ProductNameProcessor::getVariableValue() must be of the type string, null returned in /var/www/vhosts/disabatinoabbigliamento.it/httpdocs/vendor/amasty/label/Model/Label/AltTag/Processors/ProductNameProcessor.php:34 Stack trace: #0 /var/www/vhosts/disabatinoabbigliamento.it/httpdocs/vendor/amasty/label/ViewModel/Label/TextProcessor.php(165): Amasty\Label\Model\Label\AltTag\Processors\ProductNameProcessor->getVariableValue('product_name', Object(Amasty\Label\Model\Label), Object(Magento\Catalog\Model\Product\Interceptor)) #1 /var/www/vhosts/disabatinoabbigliamento.it/httpdocs/vendor/amasty/label/view/base/templates/label.phtml(24): Amasty\Label\ViewModel\Label\TextProcessor->renderLabelAltTag('{product_name}', Object(Amasty\Label\Model\Label)) #2 /var/www/vhosts/disabatinoabbigliamento.it/httpdocs/vendor/magento/framework/View/TemplateEngine/Php.php(59): include('/var/www/vhosts...') #3 /var/www/vhosts/disabatinoabbigliamento.it/htt in /var/www/vhosts/disabatinoabbigliamento.it/httpdocs/vendor/amasty/label/Model/Label/AltTag/Processors/ProductNameProcessor.php on line 34