Fatal error: Uncaught Error: Class 'SebastianBergmann\Diff\InvalidArgumentException' not found in /srv/disk3/4464330/www/back.ticket-el.com/vendor/sebastian/diff/src/Exception/ConfigurationException.php:18 Stack trace: #0 {main} thrown in /srv/disk3/4464330/www/back.ticket-el.com/vendor/sebastian/diff/src/Exception/ConfigurationException.php on line 18