Fatal error: Uncaught Error: Class 'SebastianBergmann\Comparator\Comparator' not found in /home/aperioa/test/admin/vendor/sebastian/comparator/src/SplObjectStorageComparator.php:15 Stack trace: #0 {main} thrown in /home/aperioa/test/admin/vendor/sebastian/comparator/src/SplObjectStorageComparator.php on line 15