( ! ) Fatal error: Method Varien_Object::__tostring() cannot take arguments in /var/www/precept/knolly/shop/lib/Varien/Object.php on line 488
Call Stack
#	Time	Memory	Function	Location
1	0.0003	645984	{main}( )	../index.php:0
2	0.0040	1138720	Mage::run( )	../index.php:65
3	0.0046	1218368	Mage::app( )	../Mage.php:455
4	0.0123	2420616	Mage_Core_Model_Config->__construct( )	../Mage.php:430
5	0.0124	2421368	Varien_Autoload->autoload( )	../Autoload.php:0
6	0.0130	2510272	include( '/var/www/precept/knolly/shop/app/code/core/Mage/Core/Model/Config/Options.php' )	../Autoload.php:93
7	0.0130	2510752	Varien_Autoload->autoload( )	../Autoload.php:0