Fatal error: Uncaught Error: Interface 'Laravel\SerializableClosure\Contracts\Serializable' not found in C:\xampp\htdocs\rabani-laravel-firebird\vendor\laravel\serializable-closure\src\Serializers\Signed.php:9 Stack trace: #0 {main} thrown in C:\xampp\htdocs\rabani-laravel-firebird\vendor\laravel\serializable-closure\src\Serializers\Signed.php on line 9