Fatal error: Uncaught Error: Failed opening required '/home/stagingsmartgrad/public_html/override/classes/tax/TaxCalculator.php' (include_path='/home/stagingsmartgrad/public_html/vendor/pear/pear_exception:/home/stagingsmartgrad/public_html/vendor/pear/console_getopt:/home/stagingsmartgrad/public_html/vendor/pear/pear-core-minimal/src:/home/stagingsmartgrad/public_html/vendor/pear/archive_tar:.:/opt/cpanel/ea-php81/root/usr/share/pear') in /home/stagingsmartgrad/public_html/vendor/prestashop/autoload/src/Autoloader.php:103 Stack trace: #0 /home/stagingsmartgrad/public_html/classes/tax/TaxRulesTaxManager.php(130): PrestaShop\Autoload\Autoloader->load('TaxCalculator') #1 /home/stagingsmartgrad/public_html/classes/Product.php(3926): TaxRulesTaxManagerCore->getTaxCalculator() #2 /home/stagingsmartgrad/public_html/override/classes/Product.php(432): ProductCore::priceCalculation(1, 4550, 0, 8, 0, '06000', 1, 1, 0, false, 6, false, true, true, Array, true, NULL, true, NULL, 0, NULL) #3 /home/stagingsmartgrad/public_html/classes/Product.php(5698): Product::getPriceStatic(4550, false, 0, 6, NULL, false, true, 0) #4 /home/stagingsmartgrad/public_html/classes/ProductAssembler.php(209): ProductCore::getProductProperties(2, Array, Object(Context)) #5 /home/stagingsmartgrad/public_html/classes/controller/ProductListingFrontController.php(108): ProductAssemblerCore->assembleProducts(Array) #6 /home/stagingsmartgrad/public_html/classes/controller/ProductListingFrontController.php(379): ProductListingFrontControllerCore->prepareMultipleProductsForTemplate(Array) #7 /home/stagingsmartgrad/public_html/classes/controller/ProductListingFrontController.php(635): ProductListingFrontControllerCore->getProductSearchVariables() #8 /home/stagingsmartgrad/public_html/controllers/front/listing/CategoryController.php(139): ProductListingFrontControllerCore->doProductSearch('catalog/listing...', Array) #9 /home/stagingsmartgrad/public_html/classes/controller/Controller.php(319): CategoryControllerCore->initContent() #10 /home/stagingsmartgrad/public_html/classes/Dispatcher.php(510): ControllerCore->run() #11 /home/stagingsmartgrad/public_html/index.php(29): DispatcherCore->dispatch() #12 {main} thrown in /home/stagingsmartgrad/public_html/vendor/prestashop/autoload/src/Autoloader.php on line 103