Fatal error: Uncaught Error: Interface "Symfony\Component\OptionsResolver\Options" not found in /home/rcmch/test.m-s-i.ch/vendor/symfony/options-resolver/OptionsResolver.php:28 Stack trace: #0 {main} thrown in /home/rcmch/test.m-s-i.ch/vendor/symfony/options-resolver/OptionsResolver.php on line 28