[yages]

Tried to install your code again and the following error occurred

INVALID SQL: 1054 : Unknown column 'xcart_products.categoryid' in 'field list'
SQL QUERY FAILURE: SELECT xcart_products.product,xcart_products.distribution , xcart_products.list_price,xcart_products.product_t ype,xcart_products.min_amount,xcart_products.produ ctid,xcart_products.avail,xcart_products.categoryi d,xcart_products.forsale,xcart_pricing.*,xcart_ord er_details.productid,xcart_order_details.orderid,x cart_orders.orderid,xcart_orders.date, count(xcart_order_details.productid) as sold FROM xcart_pricing,xcart_products,xcart_orders,xcart_or der_details WHERE xcart_orders.date > '1109653200' AND xcart_orders.date < '1112245200' AND xcart_order_details.orderid=xcart_orders.orderid AND xcart_products.productid=xcart_order_details.produ ctid AND xcart_pricing.productid=xcart_products.productid AND xcart_products.categoryid='20' AND xcart_products.forsale='Y' AND xcart_products.avail>0 GROUP BY xcart_order_details.productid ORDER BY sold DESC LIMIT 4