Fatal error: Uncaught TypeError: TspoMarkups\Components\MarkupToHtmlConverter::convert(): Argument #1 ($htmlWithMarkups) must be of type string, null given, called in /var/www/custom/project/TspoShoppingWorlds/Subscriber/Frontend/CategorySubscriber.php on line 168 and defined in /var/www/custom/project/TspoMarkups/Components/MarkupToHtmlConverter.php:61
Stack trace:
#0 /var/www/custom/project/TspoShoppingWorlds/Subscriber/Frontend/CategorySubscriber.php(168): TspoMarkups\Components\MarkupToHtmlConverter->convert(NULL, 'from', 600, NULL, 'upper')
#1 /var/www/custom/project/TspoShoppingWorlds/Subscriber/Frontend/CategorySubscriber.php(152): TspoShoppingWorlds\Subscriber\Frontend\CategorySubscriber->convertMarkups(Array, 600)
#2 /var/www/custom/project/TspoShoppingWorlds/Subscriber/Frontend/CategorySubscriber.php(104): TspoShoppingWorlds\Subscriber\Frontend\CategorySubscriber->getCategoryShoppingWorld(600, 'https://sportfi...', Object(Shopware\Bundle\StoreFrontBundle\Struct\Product\Manufacturer), Array)
#3 /var/www/vendor/shopware/shopware/engine/Library/Enlight/Event/Handler/Default.php(90): TspoShoppingWorlds\Subscriber\Frontend\CategorySubscriber->onListingPage(Object(Enlight_Controller_ActionEventArgs))
#4 /var/www/vendor/shopware/shopware/engine/Library/Enlight/Event/EventManager.php(207): Enlight_Event_Handler_Default->execute(Object(Enlight_Controller_ActionEventArgs))
#5 /var/www/vendor/shopware/shopware/engine/Library/Enlight/Controller/Action.php(202): Enlight_Event_EventManager->notify('Enlight_Control...', Object(Enlight_Controller_ActionEventArgs))
#6 /var/www/vendor/shopware/shopware/engine/Library/Enlight/Controller/Dispatcher/Default.php(467): Enlight_Controller_Action->dispatch('indexAction')
#7 /var/www/vendor/shopware/shopware/engine/Library/Enlight/Controller/Front.php(226): Enlight_Controller_Dispatcher_Default->dispatch(Object(Enlight_Controller_Request_RequestHttp), Object(Enlight_Controller_Response_ResponseHttp))
#8 /var/www/vendor/shopware/shopware/engine/Shopware/Kernel.php(195): Enlight_Controller_Front->dispatch()
#9 /var/www/shopware.php(20): Shopware\Kernel->handle(Object(Symfony\Component\HttpFoundation\Request))
#10 {main}
thrown in /var/www/custom/project/TspoMarkups/Components/MarkupToHtmlConverter.php on line 61