ruby on rails - Could not find 'sprockets' (~> 2.2.1) among 166 total gem(s) (Gem::LoadError) -


gemfile

gem 'sprockets',        git: 'https://github.com/tessi/sprockets.git', branch: '2_2_2_backport2' gem 'sprockets-rails',  git: 'https://github.com/finnlabs/sprockets-rails.git', branch: 'backport'

when stating server, facing issue

error:

/home/kannan/.rvm/rubies/ruby-2.1.3/lib/ruby/2.1.0/rubygems/dependency.rb:298:in `to_specs': not find 'sprockets' (~> 2.2.1) among 166 total gem(s) (gem::loaderror) /home/kannan/.rvm/rubies/ruby-2.1.3/lib/ruby/2.1.0/rubygems/specification.rb:1295:in `block in activate_dependencies' /home/kannan/.rvm/rubies/ruby-2.1.3/lib/ruby/2.1.0/rubygems/specification.rb:1284:in `each'

so that, unable start application. please us

ref project https://github.com/opf/openproject


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