Fatal error: Uncaught Error: Interface "Flasher\Prime\Http\ResponseExtensionInterface" not found in C:\xampp\htdocs\bilipoa\vendor\php-flasher\flasher\Http\ResponseExtension.php:11 Stack trace: #0 {main} thrown in C:\xampp\htdocs\bilipoa\vendor\php-flasher\flasher\Http\ResponseExtension.php on line 11