Database error: Unknown column 'cscart_product_sales.amount' in 'order clause' (1054)
Invalid query: SELECT SQL_CALC_FOUND_ROWS products.*, descr1.product as product, MIN(prices.price) as price, descr1.short_description, IF(descr1.short_description = '', descr1.full_description, '') as full_description, GROUP_CONCAT(IF(products_categories.link_type = 'M', CONCAT(products_categories.category_id, 'M'), products_categories.category_id)) as category_ids, products_categories.position, cscart_mailchimp_lists.list_id as mailchimp_list_id, cscart_seo_names.name as seo_name FROM cscart_products as products LEFT JOIN cscart_product_descriptions as descr1 ON descr1.product_id = products.product_id AND descr1.lang_code = 'EN' LEFT JOIN cscart_product_prices as prices ON prices.product_id = products.product_id AND prices.lower_limit = 1 INNER JOIN cscart_products_categories as products_categories ON products_categories.product_id = products.product_id INNER JOIN cscart_categories ON cscart_categories.category_id = products_categories.category_id AND (cscart_categories.usergroup_ids = '' OR FIND_IN_SET(0, cscart_categories.usergroup_ids) OR FIND_IN_SET(1, cscart_categories.usergroup_ids)) AND cscart_categories.status IN ('A', 'H') LEFT JOIN cscart_mailchimp_lists ON cscart_mailchimp_lists.object_id = products.product_id AND cscart_mailchimp_lists.type='p' LEFT JOIN cscart_tag_links ON cscart_tag_links.object_id = products.product_id AND cscart_tag_links.object_type = 'P' INNER JOIN cscart_tags ON cscart_tag_links.tag_id = cscart_tags.tag_id LEFT JOIN cscart_seo_names ON cscart_seo_names.object_id = products.product_id AND cscart_seo_names.type = 'p' AND cscart_seo_names.dispatch = '' AND cscart_seo_names.lang_code = 'EN' WHERE 1 AND products.company_id = 0 AND (products.usergroup_ids = '' OR FIND_IN_SET(0, products.usergroup_ids) OR FIND_IN_SET(1, products.usergroup_ids)) AND products.status IN ('A') AND prices.usergroup_id IN (0, 0, 1) AND (cscart_tags.tag = 'MobileMe') GROUP BY products.product_id ORDER BY cscart_product_sales.amount desc LIMIT 0, 10


Backtrace:
File:/home/shakeon/public_html/shop/core/fn.database.php
Line:259
Function:db_error
File:/home/shakeon/public_html/shop/core/fn.database.php
Line:29
Function:db_query
File:/home/shakeon/public_html/shop/core/fn.catalog.php
Line:3732
Function:db_get_array
File:/home/shakeon/public_html/shop/addons/tags/controllers/customer/tags.php
Line:37
Function:fn_get_products
File:/home/shakeon/public_html/shop/core/fn.control.php
Line:580
Function:include
File:/home/shakeon/public_html/shop/core/fn.control.php
Line:434
Function:fn_run_controller
File:/home/shakeon/public_html/shop/index.php
Line:28
Function:fn_dispatch