Fatal error: Uncaught Error: Interface "Flasher\Prime\Response\ResponseManagerInterface" not found in /home/eticon/public_html/webservice/vendor/php-flasher/flasher/Response/ResponseManager.php:23 Stack trace: #0 {main} thrown in /home/eticon/public_html/webservice/vendor/php-flasher/flasher/Response/ResponseManager.php on line 23