exception(s):
Exception #0 (Zend_Db_Statement_Exception): SQLSTATE[23000]: Integrity constraint violation: 1052 Column ‘price’ in where clause is ambiguous, query was: SELECT COUNT(DISTINCT e.entity_id) FROM catalog_product_flat_1 AS e
INNER JOIN catalog_category_product_index_store1 AS cat_index ON cat_index.product_id=e.entity_id AND cat_index.store_id=1 AND cat_index.visibility IN(2, 4) AND cat_index.category_id=2