Error: uninitialized constant Rspec::Generators::Base::RSpec.
[WARNING] Could not load generator "generators/rspec/model/model_generator". Error: uninitialized constant Rspec::Generators::Base::RSpec.
/opt/rubies/2.1.3/lib/ruby/gems/2.1.0/gems/rspec-rails-3.2.0/lib/generators/rspec.rb:10:in <class:Base>' /opt/rubies/2.1.3/lib/ruby/gems/2.1.0/gems/rspec-rails-3.2.0/lib/generators/rspec.rb:9:in
module:Generators'
/opt/rubies/2.1.3/lib/ruby/gems/2.1.0/gems/rspec-rails-3.2.0/lib/generators/rspec.rb:7:in <module:Rspec>' /opt/rubies/2.1.3/lib/ruby/gems/2.1.0/gems/rspec-rails-3.2.0/lib/generators/rspec.rb:5:in
<top (required)>'
/opt/rubies/2.1.3/lib/ruby/gems/2.1.0/gems/rspec-rails-3.2.0/lib/generators/rspec/model/model_generator.rb:1:in <top (required)>' /opt/rubies/2.1.3/lib/ruby/gems/2.1.0/gems/railties-4.1.7/lib/rails/generators.rb:281:in
block (2 levels) in lookup'
/opt/rubies/2.1.3/lib/ruby/gems/2.1.0/gems/railties-4.1.7/lib/rails/generators.rb:277:in each' /opt/rubies/2.1.3/lib/ruby/gems/2.1.0/gems/railties-4.1.7/lib/rails/generators.rb:277:in
block in lookup'
/opt/rubies/2.1.3/lib/ruby/gems/2.1.0/gems/railties-4.1.7/lib/rails/generators.rb:276:in each' /opt/rubies/2.1.3/lib/ruby/gems/2.1.0/gems/railties-4.1.7/lib/rails/generators.rb:276:in
lookup'
/opt/rubies/2.1.3/lib/ruby/gems/2.1.0/gems/railties-4.1.7/lib/rails/generators.rb:138:in find_by_namespace' /opt/rubies/2.1.3/lib/ruby/gems/2.1.0/gems/railties-4.1.7/lib/rails/generators.rb:155:in
invoke'
/opt/rubies/2.1.3/lib/ruby/gems/2.1.0/gems/railties-4.1.7/lib/rails/commands/generate.rb:11:in <top (required)>' /opt/rubies/2.1.3/lib/ruby/gems/2.1.0/gems/railties-4.1.7/lib/rails/commands/commands_tasks.rb:135:in
generate_or_destroy'
/opt/rubies/2.1.3/lib/ruby/gems/2.1.0/gems/railties-4.1.7/lib/rails/commands/commands_tasks.rb:51:in generate' /opt/rubies/2.1.3/lib/ruby/gems/2.1.0/gems/railties-4.1.7/lib/rails/commands/commands_tasks.rb:40:in
run_command!'
/opt/rubies/2.1.3/lib/ruby/gems/2.1.0/gems/railties-4.1.7/lib/rails/commands.rb:17:in <top (required)>' ./bin/rails:4:in
require'
./bin/rails:4:in `'
Could not find generator rspec:model.