Fatal error: Uncaught Illuminate\Contracts\Container\BindingResolutionException: Target [Illuminate\Contracts\Notifications\Dispatcher] is not instantiable. in /app/vendor/laravel/framework/src/Illuminate/Container/Container.php:933 Stack trace: #0 /app/vendor/laravel/framework/src/Illuminate/Container/Container.php(773): Illuminate\Container\Container->notInstantiable('Illuminate\\Cont...') #1 /app/vendor/laravel/framework/src/Illuminate/Container/Container.php(646): Illuminate\Container\Container->build('Illuminate\\Cont...') #2 /app/vendor/laravel/framework/src/Illuminate/Container/Container.php(601): Illuminate\Container\Container->resolve('Illuminate\\Cont...', Array) #3 /app/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(733): Illuminate\Container\Container->make('Illuminate\\Cont...', Array) #4 /app/vendor/laravel/framework/src/Illuminate/Foundation/helpers.php(119): Illuminate\Foundation\Application->make('Illuminate\\Cont...', Array) #5 /app/vendor/laravel/framework/src/Illuminate/Notification in /app/vendor/laravel/framework/src/Illuminate/Container/Container.php on line 933