Fatal error: Uncaught Error: Interface 'Box\Spout\Common\Manager\OptionsManagerInterface' not found in /home/aefn/public_html/moodle/lib/spout/src/Spout/Common/Manager/OptionsManagerAbstract.php:8 Stack trace: #0 {main} thrown in /home/aefn/public_html/moodle/lib/spout/src/Spout/Common/Manager/OptionsManagerAbstract.php on line 8