Fatal error: Uncaught Error: Interface "Prophecy\Prophecy\RevealerInterface" not found in /var/www/erp/spreadsheet/vendor/phpspec/prophecy/src/Prophecy/Prophecy/Revealer.php:19 Stack trace: #0 {main} thrown in /var/www/erp/spreadsheet/vendor/phpspec/prophecy/src/Prophecy/Prophecy/Revealer.php on line 19