Error log for CocoaPods issue

CocoaPodsError.txt

Analyzing dependencies
Downloading dependencies
Using ANSIEscapeHelper (0.9.6)
Using Fragaria (1.0.1)
Generating Pods project
[!] An error occurred while processing the post-install hook of the Podfile.

undefined method `libraries' for #<Pod::Installer:0x007fb742135fc8>

/Users/wjk/Documents/Source/CocoaPods-app/app/Podfile:13:in `block (2 levels) in from_ruby'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-core-0.38.2/lib/cocoapods-core/podfile.rb:170:in `call'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-core-0.38.2/lib/cocoapods-core/podfile.rb:170:in `post_install!'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-0.38.2/lib/cocoapods/installer.rb:764:in `run_podfile_post_install_hook'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-0.38.2/lib/cocoapods/installer.rb:752:in `block in run_podfile_post_install_hooks'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-0.38.2/lib/cocoapods/user_interface.rb:140:in `message'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-0.38.2/lib/cocoapods/installer.rb:751:in `run_podfile_post_install_hooks'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-0.38.2/lib/cocoapods/installer.rb:155:in `block in generate_pods_project'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-0.38.2/lib/cocoapods/user_interface.rb:59:in `section'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-0.38.2/lib/cocoapods/installer.rb:150:in `generate_pods_project'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-0.38.2/lib/cocoapods/installer.rb:110:in `install!'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-0.38.2/lib/cocoapods/command/project.rb:71:in `run_install_with_update'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-0.38.2/lib/cocoapods/command/project.rb:101:in `run'
/Library/Ruby/Gems/2.0.0/gems/claide-0.9.1/lib/claide/command.rb:312:in `run'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-0.38.2/lib/cocoapods/command.rb:48:in `run'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-0.38.2/bin/pod:44:in `<top (required)>'
/usr/bin/pod:23:in `load'
/usr/bin/pod:23:in `<main>'

[!] Your Podfile has had smart quotes sanitised. To avoid issues in the future, you should not use TextEdit for editing it. If you are not using TextEdit, you should turn off smart quotes in your editor of choice.