Fatal error: Uncaught Error: Interface "Prophecy\Prediction\PredictionInterface" not found in /var/www/html/phpkobo/research/php-downloaded-apps/phpmailer-5-2-16/PHPMailer-5.2.16/vendor/phpspec/prophecy/src/Prophecy/Prediction/NoCallsPrediction.php:25 Stack trace: #0 {main} thrown in /var/www/html/phpkobo/research/php-downloaded-apps/phpmailer-5-2-16/PHPMailer-5.2.16/vendor/phpspec/prophecy/src/Prophecy/Prediction/NoCallsPrediction.php on line 25