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