Fatal error: Uncaught Error: Interface "Box\Spout\Writer\Common\Internal\WorkbookInterface" not found in /home/voters/public_html/vendor/box/spout/src/Spout/Writer/Common/Internal/AbstractWorkbook.php:14 Stack trace: #0 {main} thrown in /home/voters/public_html/vendor/box/spout/src/Spout/Writer/Common/Internal/AbstractWorkbook.php on line 14