Bug d'une url

[Fab456]

Bonjour,
Je suis sur le point remettre en ligne mon site en 1.8 mais j'ai un souci avec une url qui ne s'ouvre pas.
Voici le message d'erreur que j'ai:
 

Warning: Undefined array key 0 in /home/clients/bf74fceb4a51dd504b43a1a1361e0918/w_ps8/classes/ProductAssembler.php on line 111

Fatal error: Uncaught TypeError: array_merge(): Argument #1 must be of type array, null given in /home/clients/bf74fceb4a51dd504b43a1a1361e0918/w_ps8/classes/ProductAssembler.php:111 Stack trace: #0 /home/clients/bf74fceb4a51dd504b43a1a1361e0918/w_ps8/classes/ProductAssembler.php(111): array_merge(NULL, Array) #1 /home/clients/bf74fceb4a51dd504b43a1a1361e0918/w_ps8/classes/ProductAssembler.php(125): ProductAssemblerCore->addMissingProductFields(Array) #2 /home/clients/bf74fceb4a51dd504b43a1a1361e0918/w_ps8/classes/controller/ProductListingFrontController.php(80): ProductAssemblerCore->assembleProduct(Array) #3 [internal function]: ProductListingFrontControllerCore->prepareProductForTemplate(Array) #4 /home/clients/bf74fceb4a51dd504b43a1a1361e0918/w_ps8/classes/controller/ProductListingFrontController.php(102): array_map(Array, Array) #5 /home/clients/bf74fceb4a51dd504b43a1a1361e0918/w_ps8/classes/controller/ProductListingFrontController.php(356): ProductListingFrontControllerCore->prepareMultipleProductsForTemplate(Array) #6 /home/clients/bf74fceb4a51dd504b43a1a1361e0918/w_ps8/classes/controller/ProductListingFrontController.php(613): ProductListingFrontControllerCore->getProductSearchVariables() #7 /home/clients/bf74fceb4a51dd504b43a1a1361e0918/w_ps8/controllers/front/listing/CategoryController.php(133): ProductListingFrontControllerCore->doProductSearch('catalog/listing...', Array) #8 /home/clients/bf74fceb4a51dd504b43a1a1361e0918/w_ps8/classes/controller/Controller.php(319): CategoryControllerCore->initContent() #9 /home/clients/bf74fceb4a51dd504b43a1a1361e0918/w_ps8/classes/Dispatcher.php(510): ControllerCore->run() #10 /home/clients/bf74fceb4a51dd504b43a1a1361e0918/w_ps8/index.php(28): DispatcherCore->dispatch() #11 {main} thrown in /home/clients/bf74fceb4a51dd504b43a1a1361e0918/w_ps8/classes/ProductAssembler.php on line 111

Comment puis-je corriger ce problème?

Merci.

[Fab456]

Hello,
Personne pour m'aider?