[/eccube/products/list.php] Fatal error(E_USER_ERROR): DB処理でエラーが発生しました。 
SQL: [SELECT T1.product_id, T1.stock, T1.stock_unlimited, T1.sale_limit, T1.price01,
T1.price02, T1.point_rate, T1.product_code, T1.product_class_id, 
T1.del_flg, T1.product_type_id, T1.down_filename, T1.down_realfilename, 
T3.name AS classcategory_name1, T3.rank AS rank1, T4.name AS class_name1, 
T4.class_id AS class_id1, T1.classcategory_id1, T1.classcategory_id2,
dtb_classcategory2.name AS classcategory_name2, dtb_classcategory2.rank AS rank2,
dtb_class2.name AS class_name2, dtb_class2.class_id AS class_id2
FROM dtb_products_class T1 LEFT JOIN dtb_classcategory T3
ON T1.classcategory_id1 = T3.classcategory_id LEFT JOIN dtb_class T4
ON T3.class_id = T4.class_id LEFT JOIN dtb_classcategory dtb_classcategory2
ON T1.classcategory_id2 = dtb_classcategory2.classcategory_id LEFT JOIN dtb_class dtb_class2
ON dtb_classcategory2.class_id = dtb_class2.class_id WHERE product_id IN (?)
AND T1.del_flg = 0 ORDER BY T3.rank DESC ]
MDB2 Error: no such field _doQuery: [Error message: Could not execute statement]
[Last executed query: PREPARE mdb2_statement_mysql_20f256460544b987d245988f140351212400cc101b
FROM 'SELECT T1.product_id, T1.stock, T1.stock_unlimited, T1.sale_limit, T1.price01,
T1.price02, T1.point_rate, T1.product_code, T1.product_class_id, T1.del_flg,
T1.product_type_id, T1.down_filename, T1.down_realfilename, T3.name AS classcategory_name1,
T3.rank AS rank1, T4.name AS class_name1, T4.class_id AS class_id1, T1.classcategory_id1,
T1.classcategory_id2, dtb_classcategory2.name AS classcategory_name2, dtb_classcategory2.rank AS rank2,
dtb_class2.name AS class_name2, dtb_class2.class_id AS class_id2 FROM dtb_products_class T1
LEFT JOIN dtb_classcategory T3 ON T1.classcategory_id1 = T3.classcategory_id
LEFT JOIN dtb_class T4 ON T3.class_id = T4.class_id LEFT JOIN dtb_classcategory dtb_classcategory2
ON T1.classcategory_id2 = dtb_classcategory2.classcategory_id LEFT JOIN dtb_class dtb_class2
ON dtb_classcategory2.class_id = dtb_class2.class_id WHERE product_id IN (?)
AND T1.del_flg = 0 ORDER BY T3.rank DESC '] [Native code: 1054]
[Native message: Unknown column 'T1.classcategory_id1' in 'field list'] on
[D:\apache\eccube\data\class\SC_Query.php(1005)] from ::1 customer_id = 1