Please give me a little help. I'm trying to set up passport for my Laravel application following the official documentation. But I'm stuck on the steps I need to check before callingPassport::routes(). My vscode shows error

Undefined method: routesAreCached()

Even when I trace back to the base abstract class ServiceProvider.php, the code there seems to call$this->app->routesAreCached()without any issues. Below is my AppProvidersAuthServiceProvider.php code.

 */ protected $policies = [ // 'AppModelsModel' => 'AppPoliciesModelPolicy', ]; /** * Register any authentication / authorization services. * * @return void */ public function boot() { $this->registerPolicies(); /** * This method will register the routes necessary to issue access tokens and revoke access tokens, clients, and personal access tokens: * */ if (! $this->app->routesAreCached()) { // error at this line Passport::routes(); } } }