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當我鍵入命令耙分貝創建命令：創建，被顯示在終端錯誤與耙分貝：在Ruby on Rails的
rake aborted!
cannot load such file -- active_support/core_ext/class/inheritable_attributes
/home/shashikant/.rvm/gems/ruby-1.9.3-p385/gems/activesupport-3.2.11/lib/active_support/dependencies.rb:251:in `require'
/home/shashikant/.rvm/gems/ruby-1.9.3-p385/gems/activesupport-3.2.11/lib/active_support/dependencies.rb:251:in `block in require'
/home/shashikant/.rvm/gems/ruby-1.9.3-p385/gems/activesupport-3.2.11/lib/active_support/dependencies.rb:236:in `load_dependency'
/home/shashikant/.rvm/gems/ruby-1.9.3-p385/gems/activesupport-3.2.11/lib/active_support/dependencies.rb:251:in `require'
/home/shashikant/.rvm/gems/ruby-1.9.3-p385/gems/supermodel-0.1.4/lib/supermodel.rb:5:in `<top (required)>'
/home/shashikant/.rvm/gems/[email protected]/gems/bundler-1.2.3/lib/bundler/runtime.rb:68:in `require'
/home/shashikant/.rvm/gems/[email protected]/gems/bundler-1.2.3/lib/bundler/runtime.rb:68:in `block (2 levels) in require'
/home/shashikant/.rvm/gems/[email protected]/gems/bundler-1.2.3/lib/bundler/runtime.rb:66:in `each'
/home/shashikant/.rvm/gems/[email protected]/gems/bundler-1.2.3/lib/bundler/runtime.rb:66:in `block in require'
/home/shashikant/.rvm/gems/[email protected]/gems/bundler-1.2.3/lib/bundler/runtime.rb:55:in `each'
/home/shashikant/.rvm/gems/[email protected]/gems/bundler-1.2.3/lib/bundler/runtime.rb:55:in `require'
/home/shashikant/.rvm/gems/[email protected]/gems/bundler-1.2.3/lib/bundler.rb:128:in `require'
/home/shashikant/railsproject/online_exams_system/config/application.rb:7:in `<top (required)>'
/home/shashikant/railsproject/online_exams_system/Rakefile:5:in `require'
/home/shashikant/railsproject/online_exams_system/Rakefile:5:in `<top (required)>'
/home/shashikant/.rvm/gems/ruby-1.9.3-p385/bin/ruby_noexec_wrapper:14:in `eval'
/home/shashikant/.rvm/gems/ruby-1.9.3-p385/bin/ruby_noexec_wrapper:14:in `<main>'
(See full trace by running task with --trace)
嘗試運行'捆綁安裝'第一 – 2013-02-27 09:14:53
我也這樣做，仍然得到相同的錯誤 – 2013-03-01 06:57:42