Akiteru Maeda

Results 2 comments of Akiteru Maeda

try `gem uninstall slack` and rerun irb if don't work, show me ```sh ruby -e 'b = $LOADED_FEATURES.dup;require "slack";puts ($LOADED_FEATURES-b)' ```

You are requiring [slack](https://rubygems.org/gems/slack) gem, Use [bundler](http://bundler.io/) or uninstall slack gem. # Gemfile ``` source "https://rubygems.org" gem "slack-api" ``` ``` $ gem install bundler $ bundle install $ bundle exec...