Fatal error: Call to a member function generateDesignExceptionSub()

[jonatanrdsantos]

Hey folks, I've been updated the module to the version 4.2.3, but when I save the configuration in the admin:

Fatal error: Call to a member function generateDesignExceptionSub() on a non-object in /att/arclube/app/code/community/Phoenix/VarnishCache/Model/Observer.php on line 325

Any Idea?

the code is:

            $designExceptionSubSnippet = Mage::getSingleton('varnishcache/vcl')
                ->generateDesignExceptionSub();

But I not found the Model! o.0

[rob3000]

This relates to issue 37 where there is no model.