Fatal error: Uncaught TypeError: Argument 1 passed to Mage_Catalog_Model_Resource_Product_Collection::addCategoryFilter() must be an instance of Mage_Catalog_Model_Category, boolean given, called in /usr/www/users/gmgcif/production/releases/20180509060959/htdocs/app/code/community/Fishpig/AttributeSplash/Model/Layer.php on line 87 and defined in /usr/www/users/gmgcif/production/releases/20180509060959/htdocs/app/code/core/Mage/Catalog/Model/Resource/Product/Collection.php:717 Stack trace: #0 /usr/www/users/gmgcif/production/releases/20180509060959/htdocs/app/code/community/Fishpig/AttributeSplash/Model/Layer.php(87): Mage_Catalog_Model_Resource_Product_Collection->addCategoryFilter(false) #1 /usr/www/users/gmgcif/production/releases/20180509060959/htdocs/app/code/core/Mage/Catalog/Model/Layer.php(290): Fishpig_AttributeSplash_Model_Layer->getProductCollection() #2 /usr/www/users/gmgcif/production/releases/20180509060959/htdocs/app/code/core/Mage/Catalog/Model/Layer.php(220): Mage_Catalog_Model_Layer->_getSetIds() #3 /usr/ in /usr/www/users/gmgcif/production/releases/20180509060959/htdocs/app/code/core/Mage/Catalog/Model/Resource/Product/Collection.php on line 717