Fatal error: Uncaught Error: Interface 'Box\Spout\Reader\IteratorInterface' not found in /home/junior47895/public_html/aulavirtual/AulaVirtual_22Apr/lib/spout/src/Spout/Reader/XLSX/RowIterator.php:21 Stack trace: #0 {main} thrown in /home/junior47895/public_html/aulavirtual/AulaVirtual_22Apr/lib/spout/src/Spout/Reader/XLSX/RowIterator.php on line 21