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Fatal error: Uncaught TypeError: array_merge(): Argument #1 must be of type array, null given in /var/www/vhosts/enricoiv.it/shop.enricoiv.it/classes/ProductAssembler.php:111 Stack trace: #0 /var/www/vhosts/enricoiv.it/shop.enricoiv.it/classes/ProductAssembler.php(111): array_merge() #1 /var/www/vhosts/enricoiv.it/shop.enricoiv.it/classes/ProductAssembler.php(125): ProductAssemblerCore->addMissingProductFields() #2 /var/www/vhosts/enricoiv.it/shop.enricoiv.it/classes/controller/ProductListingFrontController.php(80): ProductAssemblerCore->assembleProduct() #3 [internal function]: ProductListingFrontControllerCore->prepareProductForTemplate() #4 /var/www/vhosts/enricoiv.it/shop.enricoiv.it/classes/controller/ProductListingFrontController.php(102): array_map() #5 /var/www/vhosts/enricoiv.it/shop.enricoiv.it/classes/controller/ProductListingFrontController.php(357): ProductListingFrontControllerCore->prepareMultipleProductsForTemplate() #6 /var/www/vhosts/enricoiv.it/shop.enricoiv.it/classes/controller/ProductListingFrontController.php(613): ProductListingFrontControllerCore->getProductSearchVariables() #7 /var/www/vhosts/enricoiv.it/shop.enricoiv.it/controllers/front/listing/CategoryController.php(137): ProductListingFrontControllerCore->doProductSearch() #8 /var/www/vhosts/enricoiv.it/shop.enricoiv.it/classes/controller/Controller.php(319): CategoryControllerCore->initContent() #9 /var/www/vhosts/enricoiv.it/shop.enricoiv.it/classes/Dispatcher.php(510): ControllerCore->run() #10 /var/www/vhosts/enricoiv.it/shop.enricoiv.it/index.php(28): DispatcherCore->dispatch() #11 {main} thrown in /var/www/vhosts/enricoiv.it/shop.enricoiv.it/classes/ProductAssembler.php on line 111