Fatal error: Uncaught TypeError: Return value of Magento\CatalogUrlRewrite\Model\Storage\DynamicStorage::getCategoryUrlSuffix() must be of the type string, null returned in /app/vendor/magento/module-catalog-url-rewrite/Model/Storage/DynamicStorage.php:148 Stack trace: #0 /app/vendor/magento/module-catalog-url-rewrite/Model/Storage/DynamicStorage.php(171): Magento\CatalogUrlRewrite\Model\Storage\DynamicStorage->getCategoryUrlSuffix('4') #1 /app/vendor/magento/module-catalog-url-rewrite/Model/Storage/DynamicStorage.php(102): Magento\CatalogUrlRewrite\Model\Storage\DynamicStorage->findProductRewriteByRequestPath(Array) #2 /app/vendor/magento/module-url-rewrite/Model/Storage/AbstractStorage.php(66): Magento\CatalogUrlRewrite\Model\Storage\DynamicStorage->doFindOneByData(Array) #3 /app/vendor/magento/module-catalog-url-rewrite/Plugin/DynamicCategoryRewrites.php(66): Magento\UrlRewrite\Model\Storage\AbstractStorage->findOneByData(Array) #4 /app/vendor/magento/module-catalog-url-rewrite/Plugin/DynamicCategoryRewrites.php(80): M in /app/vendor/magento/module-catalog-url-rewrite/Model/Storage/DynamicStorage.php on line 148