Too few arguments Laravel

I'm currently in the middle of working on an old project of mine, nothing has changed although all of a sudden I'm seeing weird error debug page after logging in with the following:

Too few arguments to function 
Illuminate\Auth\Events\Attempting::__construct(), 
2 passed in /*/vendor/laravel/framework/src/Illuminate/Auth/SessionGuard.php on line 583 and exactly 3 expected

The last Application Frame comes from the following:

public function handle($request, Closure $next, $guard = null)
{
    if (auth()->guard($guard)->check()) {
        return redirect()->route(home_route());
    }

    return $next($request);
}

Does anyone have any ideas? it's Laravel 5.6

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