ご注文完了ページと、管理画面の受注編集で下記の同じエラーが出てます。
どう対処していいのかわからずに困っております。

もしわかりましたら、ご教授お願いいたします。

EC-CUBEバージョン 2.13.3
PHPバージョン PHP 5.3.29
DBバージョン MySQL 5.6.23-log


Fatal error(E_USER_ERROR): DB処理でエラーが発生しました。
SQL: [SELECT T3.product_id, T3.product_class_id as product_class_id, T3.product_type_id AS product_type_id, T2.product_code, T2.product_name, T2.classcategory_name1 AS classcategory_name1, T2.classcategory_name2 AS classcategory_name2, T2.tast,//【追記】 T2.price, T2.quantity, T2.point_rate, T2.tax_rate, T2.tax_rule,T1.status AS status, T1.payment_date AS payment_date, CASE WHEN EXISTS( SELECT * FROM dtb_products WHERE product_id = T3.product_id AND del_flg = 0 AND status = 1 ) THEN '1' ELSE '0' END AS enable, ( SELECT IF ( (SELECT d1.downloadable_days_unlimited FROM dtb_baseinfo d1) = 1 AND T1.payment_date IS NOT NULL, 1, IF( DATE(CURRENT_TIMESTAMP) <= DATE(DATE_ADD(T1.payment_date, INTERVAL (SELECT downloadable_days FROM dtb_baseinfo) DAY)), 1, 0) ) ) AS effective FROM dtb_order T1 JOIN dtb_order_detail T2 ON T1.order_id = T2.order_id LEFT JOIN dtb_products_class T3 ON T2.product_class_id = T3.product_class_id WHERE T1.order_id = ? ORDER BY T2.order_detail_id ]
MDB2 Error: syntax error
_doQuery: [Error message: Could not execute statement]
[Last executed query: PREPARE mdb2_statement_mysql_24d85528c7f8d1889b218e8cbef891c48599646154 FROM 'SELECT T3.product_id, T3.product_class_id as product_class_id, T3.product_type_id AS product_type_id, T2.product_code, T2.product_name, T2.classcategory_name1 AS classcategory_name1, T2.classcategory_name2 AS classcategory_name2, T2.tast,//【追記】 T2.price, T2.quantity, T2.point_rate, T2.tax_rate, T2.tax_rule,T1.status AS status, T1.payment_date AS payment_date, CASE WHEN EXISTS( SELECT * FROM dtb_products WHERE product_id = T3.product_id AND del_flg = 0 AND status = 1 ) THEN \'1\' ELSE \'0\' END AS enable, ( SELECT IF ( (SELECT d1.downloadable_days_unlimited FROM dtb_baseinfo d1) = 1 AND T1.payment_date IS NOT NULL, 1, IF( DATE(CURRENT_TIMESTAMP) <= DATE(DATE_ADD(T1.payment_date, INTERVAL (SELECT downloadable_days FROM dtb_baseinfo) DAY)), 1, 0) ) ) AS effective FROM dtb_order T1 JOIN dtb_order_detail T2 ON T1.order_id = T2.order_id LEFT JOIN dtb_products_class T3 ON T2.product_class_id = T3.product_class_id WHERE T1.order_id = ? ORDER BY T2.order_detail_id ']
[Native code: 1064]
[Native message: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '//【追記】 T2.price, T2.quantity, T2.poi' at line 1]
on [/home/users/2/------/web/shop/data/class/SC_Query.php(1095)]
/home/users/2/------/web/shop/shopping/complete.php(28): LC_Page_Shopping_Complete_Ex->init
/home/users/2/------/web/shop/data/class_extends/page_extends/shopping/LC_Page_Shopping_Complete_Ex.php(48): LC_Page_Shopping_Complete->init
/home/users/2/------/web/shop/data/class/pages/shopping/LC_Page_Shopping_Complete.php(42): LC_Page->init
/home/users/2/------/web/shop/data/class/pages/LC_Page.php(118): LC_Page->doLocalHookpointBefore
/home/users/2/------/web/shop/data/class/pages/LC_Page.php(211): SC_Helper_Plugin->doAction
/home/users/2/------/web/shop/data/class/helper/SC_Helper_Plugin.php(145): call_user_func_array
(): GAECommerceUA->hookPageShoppingCompleteActionBefore
/home/users/2/------/web/shop/data/downloads/plugin/GAECommerceUA/GAECommerceUA.php(143): SC_Helper_Purchase->getOrderDetail
/home/users/2/------/web/shop/data/class/helper/SC_Helper_Purchase.php(968): SC_Query->select
/home/users/2/------/web/shop/data/class/SC_Query.php(176): SC_Query->getAll
/home/users/2/------/web/shop/data/class/SC_Query.php(304): SC_Query->prepare
/home/users/2/------/web/shop/data/class/SC_Query.php(1024): SC_Query->error
/home/users/2/------/web/shop/data/class/SC_Query.php(1095): trigger_error

他のトピックスで、ご回答いただき無事解決できました。

ありがとうございました。