Fatal error: Uncaught Error: Class 'SebastianBergmann\Comparator\Comparator' not found in /home/app/htdocs/message_gateway/vendor/sebastian/comparator/src/ArrayComparator.php:16 Stack trace: #0 {main} thrown in /home/app/htdocs/message_gateway/vendor/sebastian/comparator/src/ArrayComparator.php on line 16