I am trying to run Rails Console by executing rails console
and i am getting that error
/home/ahmed/.rvm/gems/ruby-.2.0@global/gems/bundler-.8.2/lib/bundler/runtime.rb:34:in `block in setup': You have already activated spring 1.3.3, but your Gemfile requires spring 1.3.2. Prepending `bundle exec` to your command may solve this. (Gem::LoadError)
from home/ahmed/.rvm/gems/ruby-.2.0@global/gems/bundler-.8.2/lib/bundler/runtime.rb:19:in `setup'
from /home/ahmed/.rvm/gems/ruby-2.2.0@global/gems/bundler-1.8.2/lib/bundler.rb:122:in `setup'
from /home/ahmed/.rvm/gems/ruby-2.2.0@global/gems/bundler-1.8.2/lib/bundler/setup.rb:8:in `<top (required)>'
from /home/ahmed/.rvm/rubies/ruby-2.2.0/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:54:in `require'
from /home/ahmed/.rvm/rubies/ruby-2.2.0/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:54:in `require'
from /home/ahmed/.rvm/gems/ruby-2.2.0/gems/spring-1.3.3/lib/spring/commands.rb:33:in `<module:Spring>'
from /home/ahmed/.rvm/gems/ruby-2.2.0/gems/spring-1.3.3/lib/spring/commands.rb:4:in `<top (required)>'
from /home/ahmed/.rvm/rubies/ruby-2.2.0/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:54:in `require'
from /home/ahmed/.rvm/rubies/ruby-2.2.0/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:54:in `require'
from /home/ahmed/.rvm/gems/ruby-2.2.0/gems/spring-1.3.3/lib/spring/server.rb:9:in `<top (required)>'
from /home/ahmed/.rvm/rubies/ruby-2.2.0/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:128:in `require'
from /home/ahmed/.rvm/rubies/ruby-2.2.0/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:128:in `rescue in require'
from /home/ahmed/.rvm/rubies/ruby-2.2.0/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:39:in `require'