Fatal error: Uncaught Error: Interface 'Flasher\Prime\EventDispatcher\EventListener\EventSubscriberInterface' not found in C:\xampp\htdocs\medical-pathway\vendor\php-flasher\flasher\EventDispatcher\EventListener\StampsListener.php:19 Stack trace: #0 {main} thrown in C:\xampp\htdocs\medical-pathway\vendor\php-flasher\flasher\EventDispatcher\EventListener\StampsListener.php on line 19