Fatal error: Uncaught Symfony\Component\DependencyInjection\Exception\InvalidArgumentException: The "parameters" key should contain an array in /app/app/config/parameters.yml. Check your YAML syntax. in /app/vendor/symfony/symfony/src/Symfony/Component/DependencyInjection/Loader/YamlFileLoader.php:132 Stack trace: #0 /app/vendor/symfony/symfony/src/Symfony/Component/Config/Loader/FileLoader.php(153): Symfony\Component\DependencyInjection\Loader\YamlFileLoader->load('/app/app/config...', NULL) #1 /app/vendor/symfony/symfony/src/Symfony/Component/Config/Loader/FileLoader.php(90): Symfony\Component\Config\Loader\FileLoader->doImport('/app/app/config...', NULL, false, '/app/app/config...') #2 /app/vendor/symfony/symfony/src/Symfony/Component/DependencyInjection/Loader/YamlFileLoader.php(195): Symfony\Component\Config\Loader\FileLoader->import('parameters.yml', NULL, false, '/app/app/config...') #3 /app/vendor/symfony/symfony/src/Symfony/Component/DependencyInjection/Loader/YamlFileLoader.php(127): Symfony\Component\Dependency in /app/vendor/symfony/symfony/src/Symfony/Component/Config/Loader/FileLoader.php on line 168