Fatal error: Uncaught Error: Interface "Box\Spout\Writer\Common\Manager\WorkbookManagerInterface" not found in /var/www/html/demo.ininli.ca/releases/18/vendor/box/spout/src/Spout/Writer/Common/Manager/WorkbookManagerAbstract.php:24 Stack trace: #0 {main} thrown in /var/www/html/demo.ininli.ca/releases/18/vendor/box/spout/src/Spout/Writer/Common/Manager/WorkbookManagerAbstract.php on line 24