faker

I am trying to run a simple bundle exec rake db:seed for my database in Rails 4. However, when running it, I get the following output: ********-C02MGBVJFD57:myapp ***********$ bundle exec rake db:seed Your Gemfile lists the gem factory_girl_rails (>= 0) more than once. You should probably keep only one of them. While it's not a problem now, it could cause errors if you change the version of just one of them later. rake aborted! NameError: uninitialized constant Faker /Users/**********/workspace/myapp/db/seeds.rb:16:in `block in <top (required)>' /Users/**********/workspace/myapp/db/seeds.rb:15

I have a users table and a roles table that has a many-to-many relationship. These two tables are connected to a junction table called role_user . This is a model of the tables and its connections. Below are the Models in my Laravel project: User namespace App; use Illuminate\Database\Eloquent\Model; class Role extends Model { public function roles() { return $this->belongsToMany('App\Role'); } } Role namespace App; use Illuminate\Database\Eloquent\Model; class Role extends Model { public function users() { return $this->belongsToMany('App\User'); } } Below is the Factory file in the Laravel