我gem 'activeadmin', github: 'activeadmin'在我的gemfile中添加了一个bundle install.然后它给我发了以下错误.
Bundler could not find compatible versions for gem "actionpack":
In snapshot (Gemfile.lock):
actionpack (= 5.0.0.1)
In Gemfile:
activeadmin (~> 1.0.0.pre4) was resolved to 1.0.0.pre4, which depends on
formtastic (~> 3.1) was resolved to 3.1.4, which depends on
actionpack (>= 3.2.13)
activeadmin (~> 1.0.0.pre4) was resolved to 1.0.0.pre4, which depends on
inherited_resources (~> 1.6) was resolved to 1.6.0, which depends on
actionpack (< 5, >= 3.2)
activeadmin (~> 1.0.0.pre4) was resolved to 1.0.0.pre4, which …