# Using YM4R/GM plugin in rails

**URL:** <https://www.ruby-forum.com/t/using-ym4r-gm-plugin-in-rails/183168>\
**Category:** Rails\
**Created:** [February 9, 2010, 12:42pm UTC](https://www.ruby-forum.com/t/using-ym4r-gm-plugin-in-rails/183168 "2010-02-09T12:42:19Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![senling](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/839c29/32.png) [@senling](https://www.ruby-forum.com/u/senling)\
**Post date:** [February 9, 2010, 12:42pm UTC](https://www.ruby-forum.com/t/using-ym4r-gm-plugin-in-rails/183168/1 "2010-02-09T12:42:19Z")

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I have installed YM4R/GM plugin. I’m using Rails 2.3.5. After  
installing, i could’nt start my application. it shows,  
Application error  
Rails application failed to start properly.