Fatal error: Uncaught Error: Interface "Psr\SimpleCache\CacheInterface" not found in /var/www/html/upload/PhpSpreadsheet-master/src/PhpSpreadsheet/Collection/Memory/SimpleCache1.php:13 Stack trace: #0 {main} thrown in /var/www/html/upload/PhpSpreadsheet-master/src/PhpSpreadsheet/Collection/Memory/SimpleCache1.php on line 13