Here is the exception that I get when I try to launch my page. I tried to remove and recreate the bootstrap / cache based on some of the recommendations I saw on the Internet. I tried to remove the arguments in the ServiceProvider files for the boot method. Nothing works.
ErrorException in EventServiceProvider.php line 9:
Declaration of App\Providers\EventServiceProvider::boot() should be compatible with Illuminate\Foundation\Support\Providers\EventServiceProvider::boot()
in EventServiceProvider.php line 9
at HandleExceptions->handleError('2048', 'Declaration of App\Providers\EventServiceProvider::boot() should be compatible with Illuminate\Foundation\Support\Providers\EventServiceProvider::boot()', 'C:\xampp\htdocs\laravel\app\Providers\EventServiceProvider.php', '9', array('file' => 'C:\xampp\htdocs\laravel\vendor\composer/../../app\Providers\EventServiceProvider.php')) in EventServiceProvider.php line 9
at include('C:\xampp\htdocs\laravel\app\Providers\EventServiceProvider.php') in ClassLoader.php line 414
at Composer\Autoload\includeFile('C:\xampp\htdocs\laravel\vendor\composer/../../app\Providers\EventServiceProvider.php') in ClassLoader.php line 301
at ClassLoader->loadClass('App\Providers\EventServiceProvider')
at spl_autoload_call('App\Providers\EventServiceProvider') in ProviderRepository.php line 146
at ProviderRepository->createProvider('App\Providers\EventServiceProvider') in ProviderRepository.php line 74
at ProviderRepository->load(array('Illuminate\Auth\AuthServiceProvider', 'Illuminate\Broadcasting\BroadcastServiceProvider', 'Illuminate\Bus\BusServiceProvider', 'Illuminate\Cache\CacheServiceProvider', 'Illuminate\Foundation\Providers\ConsoleSupportServiceProvider', 'Illuminate\Cookie\CookieServiceProvider', 'Illuminate\Database\DatabaseServiceProvider', 'Illuminate\Encryption\EncryptionServiceProvider', 'Illuminate\Filesystem\FilesystemServiceProvider', 'Illuminate\Foundation\Providers\FoundationServiceProvider', 'Illuminate\Hashing\HashServiceProvider', 'Illuminate\Mail\MailServiceProvider', 'Illuminate\Pagination\PaginationServiceProvider', 'Illuminate\Pipeline\PipelineServiceProvider', 'Illuminate\Queue\QueueServiceProvider', 'Illuminate\Redis\RedisServiceProvider', 'Illuminate\Auth\Passwords\PasswordResetServiceProvider', 'Illuminate\Session\SessionServiceProvider', 'Illuminate\Translation\TranslationServiceProvider', 'Illuminate\Validation\ValidationServiceProvider', 'Illuminate\View\ViewServiceProvider', 'Collective\Html\HtmlServiceProvider', 'App\Providers\AppServiceProvider', 'App\Providers\AuthServiceProvider', 'App\Providers\EventServiceProvider', 'App\Providers\RouteServiceProvider')) in Application.php line 540
at Application->registerConfiguredProviders() in RegisterProviders.php line 17
at RegisterProviders->bootstrap(object(Application)) in Application.php line 203
at Application->bootstrapWith(array('Illuminate\Foundation\Bootstrap\DetectEnvironment', 'Illuminate\Foundation\Bootstrap\LoadConfiguration', 'Illuminate\Foundation\Bootstrap\ConfigureLogging', 'Illuminate\Foundation\Bootstrap\HandleExceptions', 'Illuminate\Foundation\Bootstrap\RegisterFacades', 'Illuminate\Foundation\Bootstrap\RegisterProviders', 'Illuminate\Foundation\Bootstrap\BootProviders')) in Kernel.php line 254
at Kernel->bootstrap() in Kernel.php line 145
at Kernel->sendRequestThroughRouter(object(Request)) in Kernel.php line 117
at Kernel->handle(object(Request)) in index.php line 54
Also, when I run the “composer update”, I get this exception:

EventServiceProvider.php
<?php
namespace App\Providers;
use Illuminate\Support\Facades\Event;
use Illuminate\Foundation\Support\Providers\EventServiceProvider as ServiceProvider;
class EventServiceProvider extends ServiceProvider
{
protected $listen = [
'App\Events\SomeEvent' => [
'App\Listeners\EventListener',
],
];
public function boot()
{
parent::boot();
}
}
RouteServiceProvider.php
<?php
namespace App\Providers;
use Illuminate\Support\Facades\Route;
use Illuminate\Routing\Router;
use Illuminate\Foundation\Support\Providers\RouteServiceProvider as ServiceProvider;
class RouteServiceProvider extends ServiceProvider
{
protected $namespace = 'App\Http\Controllers';
public function boot()
{
parent::boot();
}
public function map(Router $router)
{
$this->mapWebRoutes($router);
}
protected function mapWebRoutes(Router $router)
{
$router->group([
'namespace' => $this->namespace, 'middleware' => 'web',
], function ($router) {
require app_path('Http/routes.php');
});
}
}
AuthServiceProvider.php
<?php
namespace App\Providers;
use Illuminate\Support\Facades\Gate;
use Illuminate\Foundation\Support\Providers\AuthServiceProvider as ServiceProvider;
class AuthServiceProvider extends ServiceProvider
{
protected $policies = [
'App\Model' => 'App\Policies\ModelPolicy',
];
public function boot()
{
$this->registerPolicies();
}
}