When I install Laravel, I get "oops <something went wrong" and a trace. error text. What is the problem? I can not understand.
in Encrypter.php line 43 at Encrypter->__construct('', 'AES-256-CBC') in EncryptionServiceProvider.php line 27 at EncryptionServiceProvider->Illuminate\Encryption\{closure}(object(Application)) in Container.php line 678 at Container->build(object(Closure)) in Container.php line 565 at Container->make('encrypter') in Application.php line 702 at Application->make('Illuminate\\Contracts\\Encryption\\Encrypter') in Container.php line 771 at Container->resolveClass(object(ReflectionParameter)) in Container.php line 733 at Container->resolveDependencies(array(object(ReflectionParameter))) in Container.php line 710 at Container->build('App\\Http\\Middleware\\EncryptCookies') in Container.php line 565 at Container->make('App\\Http\\Middleware\\EncryptCookies') in Application.php line 702 at Application->make('App\\Http\\Middleware\\EncryptCookies') in Pipeline.php line 138 at Pipeline->Illuminate\Pipeline\{closure}(object(Request)) in Pipeline.php line 53 at Pipeline->Illuminate\Routing\{closure}(object(Request)) in Pipeline.php line 102 at Pipeline->then(object(Closure)) in Router.php line 561 at Router->runRouteWithinStack(object(Route), object(Request)) in Router.php line 520 at Router->dispatchToRoute(object(Request)) in Router.php line 498 at Router->dispatch(object(Request)) in Kernel.php line 174 at Kernel->Illuminate\Foundation\Http\{closure}(object(Request)) in Pipeline.php line 30 at Pipeline->Illuminate\Routing\{closure}(object(Request)) in TransformsRequest.php line 30 at TransformsRequest->handle(object(Request), object(Closure)) in Pipeline.php line 148 at Pipeline->Illuminate\Pipeline\{closure}(object(Request)) in Pipeline.php line 53 at Pipeline->Illuminate\Routing\{closure}(object(Request)) in TransformsRequest.php line 30 at TransformsRequest->handle(object(Request), object(Closure)) in Pipeline.php line 148 at Pipeline->Illuminate\Pipeline\{closure}(object(Request)) in Pipeline.php line 53 at Pipeline->Illuminate\Routing\{closure}(object(Request)) in ValidatePostSize.php line 27 at ValidatePostSize->handle(object(Request), object(Closure)) in Pipeline.php line 148 at Pipeline->Illuminate\Pipeline\{closure}(object(Request)) in Pipeline.php line 53 at Pipeline->Illuminate\Routing\{closure}(object(Request)) in CheckForMaintenanceMode.php line 46 at CheckForMaintenanceMode->handle(object(Request), object(Closure)) in Pipeline.php line 148 at Pipeline->Illuminate\Pipeline\{closure}(object(Request)) in Pipeline.php line 53 at Pipeline->Illuminate\Routing\{closure}(object(Request)) in Pipeline.php line 102 at Pipeline->then(object(Closure)) in Kernel.php line 149 at Kernel->sendRequestThroughRouter(object(Request)) in Kernel.php line 116 at Kernel->handle(object(Request)) in index.php line 5 four
