LogicException

I am running php artisan route:cache and I am getting below error.

Unable to prepare route [restaurant/payment/information] for serialization. Another route has already been assigned name [restaurant.payment.information].

  at vendor/laravel/framework/src/Illuminate/Routing/AbstractRouteCollection.php:218
    214▕             $route->name($name = $this->generateRouteName());
    215▕ 
    216▕             $this->add($route);
    217▕         } elseif (! is_null($symfonyRoutes->get($name))) {
  ➜ 218▕             throw new LogicException("Unable to prepare route [{$route->uri}] for serialization. Another route has already been assigned name [{$name}].");
    219▕         }
    220▕ 
    221▕         $symfonyRoutes->add($route->getName(), $route->toSymfonyRoute());
    222▕ 

      +19 vendor frames 
  20  artisan:37
      Illuminate\Foundation\Console\Kernel::handle()

How to solve this issue ?