# Controller

**URL:** <https://www.ruby-forum.com/t/controller/177174>\
**Category:** Ruby\
**Created:** [October 12, 2009, 9:11pm UTC](https://www.ruby-forum.com/t/controller/177174 "2009-10-12T21:11:45Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![player\_man](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/p/c57346/32.png) [@player\_man](https://www.ruby-forum.com/u/player_man)\
**Post date:** [October 12, 2009, 9:11pm UTC](https://www.ruby-forum.com/t/controller/177174/1 "2009-10-12T21:11:45Z")

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hello.

what does this mean???

NoMethodError in BooksController#index You have a nil object when you  
didn’t expect it!  
You might have expected an instance of ActiveRecord::Base.  
The error occurred while evaluating nil.[]

i dont know what to do !!!

can you help me ? thx

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<div class="post-metadata">

**Author:** ![player\_man](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/p/c57346/32.png) [@player\_man](https://www.ruby-forum.com/u/player_man)\
**Post date:** [October 12, 2009, 9:22pm UTC](https://www.ruby-forum.com/t/controller/177174/2 "2009-10-12T21:22:53Z")

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On Mon, Oct 12, 2009 at 12:09 PM, player man [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)  
wrote:

> i dont know what to do !!!

[http://catb.org/~esr/faqs/smart-questions.html](http://catb.org/~esr/faqs/smart-questions.html)

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<div class="post-metadata">

**Author:** ![player\_man](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/p/c57346/32.png) [@player\_man](https://www.ruby-forum.com/u/player_man)\
**Post date:** [October 12, 2009, 9:27pm UTC](https://www.ruby-forum.com/t/controller/177174/3 "2009-10-12T21:27:34Z")

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On Mon, Oct 12, 2009 at 1:09 PM, player man  
[removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)wrote:

> didn’t expect it!
> 
> can you help me ? thx
> 
> * * *
> 
> Keep your friends updated—even when you’re not signed in.
> 
> [http://www.microsoft.com/middleeast/windows/windowslive/see-it-in-action/social-network-basics.aspx?ocid=PID23461::T:WLMTAGL:ON:WL:en-xm:SI\_SB\_5:092010](http://www.microsoft.com/middleeast/windows/windowslive/see-it-in-action/social-network-basics.aspx?ocid=PID23461::T:WLMTAGL:ON:WL:en-xm:SI_SB_5:092010)

You’ll have better luck with that question on the Rails list:

[http://groups.google.com/group/rubyonrails-talk](http://groups.google.com/group/rubyonrails-talk)

–  
“Hey brother Christian with your high and mighty errand, Your actions  
speak  
so loud, I can’t hear a word you’re saying.”

-Greg Graffin (Bad Religion)