Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\DependencyInjection\Extension' not found in /home/tbadigital/eventos/vendor/exercise/htmlpurifier-bundle/src/DependencyInjection/ExerciseHTMLPurifierExtension.php:15 Stack trace: #0 {main} thrown in /home/tbadigital/eventos/vendor/exercise/htmlpurifier-bundle/src/DependencyInjection/ExerciseHTMLPurifierExtension.php on line 15