Fatal error: Uncaught Error: Interface 'JsonSerializable' not found in /var/www/megacinemas_cms/vendor/laravel/framework/src/Illuminate/Support/Stringable.php:14 Stack trace: #0 {main} thrown in /var/www/megacinemas_cms/vendor/laravel/framework/src/Illuminate/Support/Stringable.php on line 14