Fatal error: Uncaught TypeError: Return value of ProductAssemblerCore::addMissingProductFields() must be of the type array, null returned in /home/verona33/domains/bmdesign.pl/public_html/classes/ProductAssembler.php:111 Stack trace: #0 /home/verona33/domains/bmdesign.pl/public_html/classes/ProductAssembler.php(125): ProductAssemblerCore->addMissingProductFields(Array) #1 /home/verona33/domains/bmdesign.pl/public_html/classes/controller/ProductListingFrontController.php(54): ProductAssemblerCore->assembleProduct(Array) #2 [internal function]: ProductListingFrontControllerCore->prepareProductForTemplate(Array) #3 /home/verona33/domains/bmdesign.pl/public_html/classes/controller/ProductListingFrontController.php(76): array_map(Array, Array) #4 /home/verona33/domains/bmdesign.pl/public_html/classes/controller/ProductListingFrontController.php(333): ProductListingFrontControllerCore->prepareMultipleProductsForTemplate(Array) #5 /home/verona33/domains/bmdesign.pl/public_html/classes/controller/ProductListingFrontController.php in /home/verona33/domains/bmdesign.pl/public_html/classes/ProductAssembler.php on line 111