2023-10-18 11:49AM
$ bundle install
……
……
An error occurred while installing psych (5.1.1.1), and Bundler cannot continue.
In Gemfile:
debug was resolved to 1.8.0, which depends on
irb was resolved to 1.8.3, which depends on
rdoc was resolved to 6.5.0, which depends on
psych
是因为 Gemfile 文件中没有 psych 需要在 Gemfile 文件中增加 gem 'psych'
# 由于我的 rails 版本比较低，所以使用版本小于 4
gem 'psych', '< 4'
然后再运行 bundle install
就可以了
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