Fatal error: Uncaught Error: Class 'Box\Spout\Common\Manager\OptionsManagerAbstract' not found in /home/aefn/public_html/moodle/lib/spout/src/Spout/Reader/XLSX/Manager/OptionsManager.php:12 Stack trace: #0 {main} thrown in /home/aefn/public_html/moodle/lib/spout/src/Spout/Reader/XLSX/Manager/OptionsManager.php on line 12