laravel Unable to prepare route … for serialization. Uses Closure

Question

When I clear caches in my Laravel 5.2 project, I see this error message:

[LogicException] Unable to prepare route [panel] for serialization. Uses Closure.

Answer 1

If someone is still looking for an answer, for me the problem was in routes/web.php file. Example:

Route::get('/', function () {
    return view('welcome');
});

It is also Route, so yeah...Just remove it if not needed and you are good to go! You should also follow answers provided from above.