Fatal error: Uncaught Symfony\Component\DependencyInjection\Exception\RuntimeException: Invalid service "security.authentication.failure_handler.main.form_login": class "Symfony\Component\Security\Http\Authentication\DefaultAuthenticationFailureHandler" does not exist. in /home/www/webapp/tousenseine/vendor/symfony/dependency-injection/Compiler/DefinitionErrorExceptionPass.php:54 Stack trace: #0 /home/www/webapp/tousenseine/vendor/symfony/dependency-injection/Compiler/AbstractRecursivePass.php(82): Symfony\Component\DependencyInjection\Compiler\DefinitionErrorExceptionPass->processValue(Object(Symfony\Component\DependencyInjection\Definition), true) #1 /home/www/webapp/tousenseine/vendor/symfony/dependency-injection/Compiler/DefinitionErrorExceptionPass.php(32): Symfony\Component\DependencyInjection\Compiler\AbstractRecursivePass->processValue(Array, true) #2 /home/www/webapp/tousenseine/vendor/symfony/dependency-injection/Compiler/AbstractRecursivePass.php(46): Symfony\Component\DependencyInjection\Compiler\DefinitionErr in /home/www/webapp/tousenseine/vendor/symfony/dependency-injection/Compiler/DefinitionErrorExceptionPass.php on line 54