Fatal error: Uncaught Error: Interface "MercurySeries\Flashy\SessionStore" not found in C:\xampp\htdocs\vendor\mercuryseries\flashy\src\MercurySeries\Flashy\LaravelSessionStore.php:7 Stack trace: #0 {main} thrown in C:\xampp\htdocs\vendor\mercuryseries\flashy\src\MercurySeries\Flashy\LaravelSessionStore.php on line 7