Fatal error: Uncaught Symfony\Component\DependencyInjection\Exception\InvalidArgumentException: There is no extension able to load the configuration for "trikoder_oauth2" (in "/home/ys726927/salosen.com/public_html/app/Plugin/Api/DependencyInjection/../Resource/config/services.yaml"). Looked for namespace "trikoder_oauth2", found "none". in /home/ys726927/salosen.com/public_html/vendor/symfony/dependency-injection/Loader/YamlFileLoader.php:722 Stack trace: #0 /home/ys726927/salosen.com/public_html/vendor/symfony/dependency-injection/Loader/YamlFileLoader.php(697): Symfony\Component\DependencyInjection\Loader\YamlFileLoader->validate(Array, '/home/ys726927/...') #1 /home/ys726927/salosen.com/public_html/vendor/symfony/dependency-injection/Loader/YamlFileLoader.php(123): Symfony\Component\DependencyInjection\Loader\YamlFileLoader->loadFile('/home/ys726927/...') #2 /home/ys726927/salosen.com/public_html/app/Plugin/Api/DependencyInjection/ApiExtension.php(63): Symfony\Component\DependencyInjection\Loader\YamlFileLoader->load( in /home/ys726927/salosen.com/public_html/vendor/symfony/dependency-injection/Loader/YamlFileLoader.php on line 722