Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Support\Arrayable" not found in /srv/www/sites/public/starter-projects/vendor/laravel/framework/src/Illuminate/Contracts/Support/MessageBag.php:7 Stack trace: #0 {main} thrown in /srv/www/sites/public/starter-projects/vendor/laravel/framework/src/Illuminate/Contracts/Support/MessageBag.php on line 7