NameError: uninitialized constant Sprockets::Rails::VERSION

[rkumar]

When I run rake --trace db:bootstrap_and_seed, I get:

$ rake --trace db:bootstrap_and_seed

TheComments

WARNING!
StateMachine patch for Rails4 will be applied

private method around_validation from StateMachine::Integrations::ActiveModel will be public

pluginaweek/state_machine#295
pluginaweek/state_machine#251

[DEPRECATION] `last_comment` is deprecated.  Please use `last_description` instead.
[DEPRECATION] `last_comment` is deprecated.  Please use `last_description` instead.
** Invoke db:bootstrap_and_seed (first_time)
** Invoke environment (first_time)
** Execute environment
rake aborted!
NameError: uninitialized constant Sprockets::Rails::VERSION
/Users/john/Library/Ruby/Gems/1.8/bundler/gems/bootstrap-sass-6424fb7c8458/lib/bootstrap-sass/engine.rb:11:in `block in <class:Engine>'

Bundle install went perfectly. 

`ruby -v`                                                                                 
    ruby 2.3.1p112 (2016-04-26 revision 54768) [x86_64-darwin13]