Fatal error: Uncaught Error: Interface "OpenSpout\Writer\Common\Manager\WorksheetManagerInterface" not found in /srv/www/htdocs/moodle/lib/openspout/src/Writer/ODS/Manager/WorksheetManager.php:25 Stack trace: #0 {main} thrown in /srv/www/htdocs/moodle/lib/openspout/src/Writer/ODS/Manager/WorksheetManager.php on line 25