Hi Team
I have already bought Magento Color Swatch Extension With Zoom,but i have a problem when installed they said
"Fatal error: Call to a member function setProductClassId() on a non-object in .../public_html/store/app/code/local/HALO/SortByAttribute/Block/Catalog/Product/View/Type/Configurable.php on line 132"

and i have alr bought Magento Extension Installation Service too
Can your team help me for fix the problem?
thnak you