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Call to Undefined Method

After Magento upgrade with TBT Enhanced Product Grid the following error thrown at System > Configuration > Enhanced Product Grid screen: Mage_Eav_Model_Resource_Entity_Attribute_Collection::addVisibleFilter() PHP Fatal error:  Call to undefined method Mage_Eav_Model_Resource_Entity_Attribute_Collection::addVisibleFilter()in app/code/community/TBT/Enhancedgrid/Model/System/Config/Source/Columns/Show.php on line 10 Solution addVisibleFilter() call in app/code/community/TBT/Enhancedgrid/Model/System/Config/Source/Columns/Show.php at line 10 should be changed from ->addVisibleFilter(); to ->addFilter(“is_visible”, 1);… Continue Reading