# Error "ActionController::InvalidAuthenticityToken"

**URL:** <https://www.ruby-forum.com/t/error-actioncontroller-invalidauthenticitytoken/165376>\
**Category:** Rails\
**Created:** [April 13, 2009, 12:48pm UTC](https://www.ruby-forum.com/t/error-actioncontroller-invalidauthenticitytoken/165376 "2009-04-13T12:48:02Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![gandhi-tush](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/g/5daacb/32.png) [@gandhi-tush](https://www.ruby-forum.com/u/gandhi-tush)\
**Post date:** [April 13, 2009, 12:48pm UTC](https://www.ruby-forum.com/t/error-actioncontroller-invalidauthenticitytoken/165376/1 "2009-04-13T12:48:02Z")

</div>

Hi,  
I am using rails 2.2  
I an getting this error.  
“ActionController::InvalidAuthenticityToken”

I have an code in my erb file is like this:

```
<div id="pdf_title" style="display:none">
  Title: <%=text_field(:page, :title, :size => 20)%>
  <a href="#" onclick="add_title();">Create</a>
</div>

```

Whenever I am clicking onto the Create link I am getting error.  
“ActionController::InvalidAuthenticityToken”  
Could any one please help me out urgently.  
I am new in rails 2.0 and above  
Thanks,  
Tushar