  <h2>Site Error</h2>
  <p>An error was encountered while publishing this resource.
  </p>
  <p><strong>NameError</strong></p>

  Sorry, a site error occurred.<p><p>Traceback (innermost last):
<ul>

<li>  Module ZPublisher.Publish, line 196, in publish_module_standard</li>

<li>  Module ZPublisher.Publish, line 146, in publish</li>

<li>  Module Zope2.App.startup, line 222, in zpublisher_exception_hook</li>

<li>  Module ZPublisher.Publish, line 115, in publish</li>

<li>  Module ZPublisher.mapply, line 88, in mapply</li>

<li>  Module ZPublisher.Publish, line 41, in call_object</li>

<li>  Module OFS.DTMLDocument, line 128, in __call__<br/>
<b>DTMLDocument at /bcb/workshop03/AddParticipantEntryFinal</b><br/>
<b>URL: http://projects.eml.org/bcb/workshop03/AddParticipantEntryFinal/manage_main</b><br/>
<b>Physical Path:</b>/bcb/workshop03/AddParticipantEntryFinal</li>

<li>  Module DocumentTemplate.DT_String, line 476, in __call__</li>

<li>  Module DocumentTemplate.DT_Util, line 196, in eval<br/>
__traceback_info__: AddParticipantEntryAction</li>

<li>  Module string, line 1, in expression</li>

</ul>NameError: name 'participant_name' is not defined (Also, the following error occurred while attempting to render the standard error message, please see the event log for full details: You are not allowed to access 'title_or_id' in this context)
</p></p>
  <hr noshade="noshade"/>

  <p>Troubleshooting Suggestions</p>

  <ul>
  <li>The URL may be incorrect.</li>
  <li>The parameters passed to this resource may be incorrect.</li>
  <li>A resource that this resource relies on may be
      encountering an error.</li>
  </ul>

  <p>For more detailed information about the error, please
  refer to the error log.
  </p>

  <p>If the error persists please contact the site maintainer.
  Thank you for your patience.
  </p>