[25-Aug-2020 17:52:03 UTC] PHP Fatal error:  Class 'Symfony\Component\HttpKernel\DependencyInjection\Extension' not found in /home/spring17/public_html/xiaomigrate/vendor/exercise/htmlpurifier-bundle/src/DependencyInjection/ExerciseHTMLPurifierExtension.php on line 15
[25-Aug-2020 17:52:08 UTC] PHP Fatal error:  Interface 'Symfony\Component\Config\Definition\ConfigurationInterface' not found in /home/spring17/public_html/xiaomigrate/vendor/exercise/htmlpurifier-bundle/src/DependencyInjection/Configuration.php on line 9
