Fatal error: Uncaught Error: Class 'PhpOffice\PhpPresentation\AbstractShape' not found in /var/www/html/scorm/vendor/phpoffice/phppresentation/src/PhpPresentation/Shape/Group.php:27 Stack trace: #0 {main} thrown in /var/www/html/scorm/vendor/phpoffice/phppresentation/src/PhpPresentation/Shape/Group.php on line 27