Fatal error: Uncaught Error: Interface "Box\Spout\Writer\WriterInterface" not found in /home/voters/public_html/vendor/box/spout/src/Spout/Writer/AbstractWriter.php:19 Stack trace: #0 {main} thrown in /home/voters/public_html/vendor/box/spout/src/Spout/Writer/AbstractWriter.php on line 19