ArgumentError: Trying to register Bundler::GemfileError for status code 4 but Bundler::GemfileError is already registered · Issue #3284 · ruby/rubygems

Thanks for update bundler to 2.1.0 🎉 But today when I creating a new rails app, bundler had an error below. My environment MacBook Pro (13-inch, 2017, Two Thunderbolt 3 ports) macOS HighSierra vers...
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