Fatal error: Uncaught Error: Class 'Box\Spout\Common\Exception\SpoutException' not found in /var/www/dev/public/vendor/box/spout/src/Spout/Common/Exception/InvalidArgumentException.php:11 Stack trace: #0 {main} thrown in /var/www/dev/public/vendor/box/spout/src/Spout/Common/Exception/InvalidArgumentException.php on line 11