我想创建一个新的Jekyll网站，所以我运行jekyll new website，但收到以下错误：
Matejs-MacBook-Pro:~ matejlatin$ jekyll new website
/Users/matejlatin/.rvm/rubies/ruby-2.3.3/lib/ruby/site_ruby/2.3.0/rubygems/specification.rb:2290:in `raise_if_conflicts': Unable to activate concurrent-ruby-ext-1.1.3, because concurrent-ruby-1.1.4 conflicts with concurrent-ruby (= 1.1.3) (Gem::ConflictError)
from /Users/matejlatin/.rvm/rubies/ruby-2.3.3/lib/ruby/site_ruby/2.3.0/rubygems/specification.rb:1410:in `activate'
from /Users/matejlatin/.rvm/rubies/ruby-2.3.3/lib/ruby/site_ruby/2.3.0/rubygems.rb:220:in `rescue in try_activate'
from /Users/matejlatin/.rvm/rubies/ruby-2.3.3/lib/ruby/site_ruby/2.3.0/rubygems.rb:213:in `try_activate'
from /Users/matejlatin/.rvm/rubies/ruby-2.3.3/lib/ruby/site_ruby/2.3.0/rubygems/core_ext/kernel_require.rb:126:in `rescue in require'
from /Users/matejlatin/.rvm/rubies/ruby-2.3.3/lib/ruby/site_ruby/2.3.0/rubygems/core_ext/kernel_require.rb:40:in `require'
from /Users/matejlatin/.rvm/gems/ruby-2.3.3/gems/concurrent-ruby-1.1.4/lib/concurrent/utility/native_extension_loader.rb:62:in `try_load_c_extension'
from /Users/matejlatin/.rvm/gems/ruby-2.3.3/gems/concurrent-ruby-1.1.4/lib/concurrent/utility/native_extension_loader.rb:30:in `block in load_native_extensions'
from /Users/matejlatin/.rvm/gems/ruby-2.3.3/gems/concurrent-ruby-1.1.4/lib/concurrent/utility/native_extension_loader.rb:30:in `each'
from /Users/matejlatin/.rvm/gems/ruby-2.3.3/gems/concurrent-ruby-1.1.4/lib/concurrent/utility/native_extension_loader.rb:30:in `load_native_extensions'
from /Users/matejlatin/.rvm/gems/ruby-2.3.3/gems/concurrent-ruby-1.1.4/lib/concurrent/synchronization.rb:5:in `<top (required)>'
from /Users/matejlatin/.rvm/rubies/ruby-2.3.3/lib/ruby/site_ruby/2.3.0/rubygems/core_ext/kernel_require.rb:68:in `require'
from /Users/matejlatin/.rvm/rubies/ruby-2.3.3/lib/ruby/site_ruby/2.3.0/rubygems/core_ext/kernel_require.rb:68:in `require'
from /Users/matejlatin/.rvm/gems/ruby-2.3.3/gems/concurrent-ruby-1.1.4/lib/concurrent/map.rb:3:in `<top (required)>'
from /Users/matejlatin/.rvm/rubies/ruby-2.3.3/lib/ruby/site_ruby/2.3.0/rubygems/core_ext/kernel_require.rb:120:in `require'
from /Users/matejlatin/.rvm/rubies/ruby-2.3.3/lib/ruby/site_ruby/2.3.0/rubygems/core_ext/kernel_require.rb:120:in `require'
from /Users/matejlatin/.rvm/gems/ruby-2.3.3/gems/i18n-0.9.5/lib/i18n.rb:1:in `<top (required)>'
from /Users/matejlatin/.rvm/rubies/ruby-2.3.3/lib/ruby/site_ruby/2.3.0/rubygems/core_ext/kernel_require.rb:120:in `require'
from /Users/matejlatin/.rvm/rubies/ruby-2.3.3/lib/ruby/site_ruby/2.3.0/rubygems/core_ext/kernel_require.rb:120:in `require'
from /Users/matejlatin/.rvm/gems/ruby-2.3.3/gems/jekyll-3.8.5/lib/jekyll.rb:38:in `<top (required)>'
from /Users/matejlatin/.rvm/rubies/ruby-2.3.3/lib/ruby/site_ruby/2.3.0/rubygems/core_ext/kernel_require.rb:68:in `require'
from /Users/matejlatin/.rvm/rubies/ruby-2.3.3/lib/ruby/site_ruby/2.3.0/rubygems/core_ext/kernel_require.rb:68:in `require'
from /Users/matejlatin/.rvm/gems/ruby-2.3.3/gems/jekyll-3.8.5/exe/jekyll:8:in `<top (required)>'
from /Users/matejlatin/.rvm/gems/ruby-2.3.3/bin/jekyll:23:in `load'
from /Users/matejlatin/.rvm/gems/ruby-2.3.3/bin/jekyll:23:in `<main>'
from /Users/matejlatin/.rvm/gems/ruby-2.3.3/bin/ruby_executable_hooks:15:in `eval'
from /Users/matejlatin/.rvm/gems/ruby-2.3.3/bin/ruby_executable_hooks:15:in `<main>'
我不知道这意味着什么，甚至都不知道在哪里解决该问题。我在macOS Mojave 10.14.2上