我的podfile文件内容:LoadError - no such file to load -- xcodeproj/prebuilt/universal-darwin13.0-1.8.7/xcodeproj_ext /Library/Ruby/Site/1.8/rubygems/core_ext/kernel_require.rb:55:in
gem_original_require' /Library/Ruby/Site/1.8/rubygems/core_ext/kernel_require.rb:55:in
require' /Library/Ruby/Gems/1.8/gems/xcodeproj-0.14.0/lib/xcodeproj/ext.rb:6 /Library/Ruby/Site/1.8/rubygems/core_ext/kernel_require.rb:55:ingem_original_require' /Library/Ruby/Site/1.8/rubygems/core_ext/kernel_require.rb:55:in
require' /Library/Ruby/Gems/1.8/gems/xcodeproj-0.14.0/lib/xcodeproj/project.rb:4 /Library/Ruby/Gems/1.8/gems/cocoapods-0.27.1/lib/cocoapods/installer/analyzer.rb:488:incompute_target_platforms' /Library/Ruby/Gems/1.8/gems/cocoapods-0.27.1/lib/cocoapods/installer/analyzer.rb:485:in
each' /Library/Ruby/Gems/1.8/gems/cocoapods-0.27.1/lib/cocoapods/installer/analyzer.rb:485:incompute_target_platforms' /Library/Ruby/Gems/1.8/gems/cocoapods-0.27.1/lib/cocoapods/installer/analyzer.rb:55:in
analyze' /Library/Ruby/Gems/1.8/gems/cocoapods-0.27.1/lib/cocoapods/installer.rb:171:inanalyze' /Library/Ruby/Gems/1.8/gems/cocoapods-0.27.1/lib/cocoapods/installer.rb:94:in
resolve_dependencies' /Library/Ruby/Gems/1.8/gems/cocoapods-0.27.1/lib/cocoapods/user_interface.rb:52:insection' /Library/Ruby/Gems/1.8/gems/cocoapods-0.27.1/lib/cocoapods/installer.rb:93:in
resolve_dependencies' /Library/Ruby/Gems/1.8/gems/cocoapods-0.27.1/lib/cocoapods/installer.rb:86:ininstall!' /Library/Ruby/Gems/1.8/gems/cocoapods-0.27.1/lib/cocoapods/command/project.rb:38:in
run_install_with_update' /Library/Ruby/Gems/1.8/gems/cocoapods-0.27.1/lib/cocoapods/command/project.rb:68:inrun' /Library/Ruby/Gems/1.8/gems/claide-0.3.2/lib/claide/command.rb:206:in
run' /Library/Ruby/Gems/1.8/gems/cocoapods-0.27.1/lib/cocoapods/command.rb:51:inrun' /Library/Ruby/Gems/1.8/gems/cocoapods-0.27.1/bin/pod:19 /usr/bin/pod:23:in
load' /usr/bin/pod:23
pod 'RestKit', '~> 0.21.0'
希望能得到任何帮助!