Error in pod try GoogleMobileVision

[iwasa90]

When I run pod try Google MobileVision, the below error happened.

Command

/usr/local/bin/pod try GoogleMobileVision

Report

• What did you do?

  pod try Google MobileVision

• What did you expect to happen? successfully completed

• What happened instead? The below error happened.

Stack

   CocoaPods : 1.8.1
        Ruby : ruby 2.3.7p456 (2018-03-28 revision 63024) [universal.x86_64-darwin18]
    RubyGems : 2.5.2.3
        Host : Mac OS X 10.14.6 (18G95)
       Xcode : 11.0 (11A420a)
         Git : git version 2.21.0 (Apple Git-122)
Ruby lib dir : /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib
Repositories : 

Plugins

cocoapods-deintegrate : 1.0.4
cocoapods-plugins     : 1.0.0
cocoapods-search      : 1.0.0
cocoapods-stats       : 1.1.0
cocoapods-trunk       : 1.4.1
cocoapods-try         : 1.1.0

Error

Errno::ENOENT - No such file or directory @ rb_sysopen - /Users/iwasa/.cocoapods/repos/Spec_Lock
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.8.1/lib/cocoapods/sources_manager.rb:118:in `initialize'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.8.1/lib/cocoapods/sources_manager.rb:118:in `open'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.8.1/lib/cocoapods/sources_manager.rb:118:in `update'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-try-1.1.0/lib/pod/command/try.rb:217:in `block in update_specs_repos'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.8.1/lib/cocoapods/user_interface.rb:64:in `section'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-try-1.1.0/lib/pod/command/try.rb:216:in `update_specs_repos'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-try-1.1.0/lib/pod/command/try.rb:79:in `setup_spec_in_sandbox'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-try-1.1.0/lib/pod/command/try.rb:47:in `run'
/Library/Ruby/Gems/2.3.0/gems/claide-1.0.3/lib/claide/command.rb:334:in `run'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.8.1/lib/cocoapods/command.rb:52:in `run'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.8.1/bin/pod:55:in `<top (required)>'
/usr/local/bin/pod:22:in `load'
/usr/local/bin/pod:22:in `<main>'

[!] Oh no, an error occurred.