Error Messages in Rails - {{attribute}} {{message}}

Error : Error Messages in Rails - {{attribute}} {{message}}

Reason  : 

1. You'll get this error when running Rails 2.3.8 and older.

Possible solution :

1. Check for correct version of i18n.
2. First check installed i18n version and then open your Gemfile to see correct version of i18n.
3. Uninstall incompatible i18n version  and install correct version of i18n found in Gemfile

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