After installing this error, I am trying to install Ruby on Rail on my Mac. Can anyone ask me to solve this problem?
/ system / library / framework / ruby framework / version / 1/8 / ur / liib / rbi / 1/8 / rbi games rb: 777: in `report_activate_error ': rubyjam version Error: Rack (1.5.2 not ~> 1.4.5) (Gem :: Load Errator) / System / Libraries / Framwork / Ruby Framework / Version / 1/8 / UR / Lib / Ruby / 1.8 / rubygems.rb : 211: / System / Library / Frames / Ruby. Framework / Version / 1.8 / usr / lib / ruby / 1.8 / rubygems.rballery46: in / inflict_in_in_in 'Active / From' System / Library / Fry Marmoq / Ruby From `/ '/ framework / version / 1.8 / usr / lib / ruby / 1.8 / rubygems.rb: 245: / system / library / frames / ruby framework / version / 1.8 / ur / lb / ruby / 1.8 / RubyGems.rb: 245: From 'active' in / from 'active' system / library / frameworks / from: / system / library / framwork / ruby.framework / version / 1.8 / usr / lib / ruby / 1.8 / rubygems.rballery46: Ruby From framework / version / 1.8 / usr / lib / ruby / 1.8 / rubygems.rb: 245: `every 'in / system / library / frames / ruby.framework / version / 1/8 / ur / lib / ruby / 1.8 / rubygems.rb: 245: From `Active 'to / s Ystem / library / frameworks / ruby.framework / version / 1.8 / usr / lib / ruby / 1.8 / rubygems.rb: 1056: / usr / In `gem 'from bin / rails: 18
It seems as though it The problem may be:
You are using Ruby 1.8 (as you can see in your stack trace), l Which is probably doing rail 3.2.13 trying to install, which just does not work - it is no longer supported.
As mentioned in the answer, you should go back to use RVM to learn about / about installing a new version of Ruby.
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