Fatal error: Uncaught TypeError: Argument 1 passed to PrestaShopBundle\DependencyInjection\Config\ConfigYamlLoader::parseImports() must be of the type array, null given, called in /var/www/wuillemin.staging/public_html/src/PrestaShopBundle/DependencyInjection/Config/ConfigYamlLoader.php on line 49 and defined in /var/www/wuillemin.staging/public_html/src/PrestaShopBundle/DependencyInjection/Config/ConfigYamlLoader.php:82 Stack trace: #0 /var/www/wuillemin.staging/public_html/src/PrestaShopBundle/DependencyInjection/Config/ConfigYamlLoader.php(49): PrestaShopBundle\DependencyInjection\Config\ConfigYamlLoader->parseImports(NULL, '/var/www/wuille...') #1 /var/www/wuillemin.staging/public_html/src/Adapter/Container/DoctrineBuilderExtension.php(66): PrestaShopBundle\DependencyInjection\Config\ConfigYamlLoader->load('config_legacy_d...') #2 /var/www/wuillemin.staging/public_html/src/Adapter/ContainerBuilder.php(171): PrestaShop\PrestaShop\Adapter\Container\DoctrineBuilderExtension->build(Object(PrestaShop\PrestaShop\Adapter\Con in /var/www/wuillemin.staging/public_html/src/PrestaShopBundle/DependencyInjection/Config/ConfigYamlLoader.php on line 82