Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DependencyInjection\Extension" not found in /home/backupcp/public_html/ntpcbgtpp.hweb.xyz/src/PartKeepr/SystemPreferenceBundle/DependencyInjection/PartKeeprSystemPreferenceExtension.php:10 Stack trace: #0 {main} thrown in /home/backupcp/public_html/ntpcbgtpp.hweb.xyz/src/PartKeepr/SystemPreferenceBundle/DependencyInjection/PartKeeprSystemPreferenceExtension.php on line 10