Fatal error: Uncaught Error: Interface "SebastianBergmann\Diff\Exception" not found in /home/alkhalaffamily/public_html/educourses/vendor/sebastian/diff/src/Exception/InvalidArgumentException.php:12 Stack trace: #0 {main} thrown in /home/alkhalaffamily/public_html/educourses/vendor/sebastian/diff/src/Exception/InvalidArgumentException.php on line 12