Fatal error: Uncaught Error: Interface 'Psr\SimpleCache\CacheInterface' not found in /var/www/app/appregwebservice/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Collection/Memory/SimpleCache1.php:14 Stack trace: #0 {main} thrown in /var/www/app/appregwebservice/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Collection/Memory/SimpleCache1.php on line 14