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bundle update（undefined method `new_ostruct_member' for #<Config::Options> (NoMethodError)のエラー発生時）

Rails6
Ruby2.7

Last updated at 2020-01-21Posted at 2020-01-20

事象

rails 6.0 ruby2.7の環境
setting.ymlに定数を定義してrails s したところ
以下のエラーが発生
（ユーザ名）/.rvm/gems/ruby-2.7.0/gems/config-2.1.0/lib/config/options.rb:180:in method_missing': undefined method new_ostruct_member' for #Config::Options (NoMethodError)

対応

bundle update

→config 2.2.1 になればOK

参考

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