hey there, i dont have any chance to get the plugin running.
the mage.php file is found and backlit green, but as soon as i start to put some shortcode in the header.php i get this
Mage_Core_Model_Session_Abstract::getMessages(): The script tried to execute a method or access a property of an incomplete object. Please ensure that the class definition "Mage_Core_Model_Message_Collection" of the object you are trying to operate on was loaded _before_ unserialize() gets called or provide a __autoload() function to load the class definition in /homepages/42/d428577955/htdocs/shop/app/code/core/Mage/Core/Model/Session/Abstract.php on line 215 - See more at: http://wildspartan.at/site/#sthash.G0KWVWEe.dpuf
can somebody please help?