https://community.appcelerator.com/topic/937/longjohn-js-throw-e-when-running-titanium-cli/2

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cd /Users/ユーザー名/.appcelerator/install/バージョン名/package/node_modules/appc-cli-titanium/node_modules/titanium (or equivalent folder on other OS)
npm install longjohn@0.2.4
~~