https://doctorfruits.jp/products/detail.php?product_id=12?product_id=12

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Fatal error(E_USER_ERROR): DB処理でエラーが発生しました。
SQL: [SELECT recommend_product_id, comment FROM dtb_recommend_products as t1 left join dtb_products as t2 on t1.recommend_product_id = t2.product_id WHERE t1.product_id = ? and t2.del_flg = 0 and t2.status = 1  ORDER BY rank DESC ]
MDB2 Error: syntax error
_doQuery: [Error message: Could not execute statement]
[Last executed query: PREPARE mdb2_statement_mysql_204e2e9ed7f390204e199129af3dc5ec543c6f5b84 FROM 'SELECT recommend_product_id, comment FROM dtb_recommend_products as t1 left join dtb_products as t2 on t1.recommend_product_id = t2.product_id WHERE t1.product_id = ? and t2.del_flg = 0 and t2.status = 1  ORDER BY rank DESC ']
[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 'DESC' at line 1]
 on [/export/sd06/www/jp/r/e/gmoserver/6/4/sd0010364/files/eccube-2.12.6v2/data/class/SC_Query.php(1007)]
/export/sd06/www/jp/r/e/gmoserver/6/4/sd0010364/doctorfruits.jp/products/detail.php(34): LC_Page_Products_Detail_Ex->process
/export/sd06/www/jp/r/e/gmoserver/6/4/sd0010364/files/eccube-2.12.6v2/data/class_extends/page_extends/products/LC_Page_Products_Detail_Ex.php(56): LC_Page_Products_Detail->process
/export/sd06/www/jp/r/e/gmoserver/6/4/sd0010364/files/eccube-2.12.6v2/data/class/pages/products/LC_Page_Products_Detail.php(84): LC_Page_Products_Detail->action
/export/sd06/www/jp/r/e/gmoserver/6/4/sd0010364/files/eccube-2.12.6v2/data/class/pages/products/LC_Page_Products_Detail.php(223): LC_Page_Products_Detail->lfPreGetRecommendProducts
/export/sd06/www/jp/r/e/gmoserver/6/4/sd0010364/files/eccube-2.12.6v2/data/class/pages/products/LC_Page_Products_Detail.php(373): SC_Query->select
/export/sd06/www/jp/r/e/gmoserver/6/4/sd0010364/files/eccube-2.12.6v2/data/class/SC_Query.php(167): SC_Query->getAll
/export/sd06/www/jp/r/e/gmoserver/6/4/sd0010364/files/eccube-2.12.6v2/data/class/SC_Query.php(279): SC_Query->prepare
/export/sd06/www/jp/r/e/gmoserver/6/4/sd0010364/files/eccube-2.12.6v2/data/class/SC_Query.php(948): SC_Query->error
/export/sd06/www/jp/r/e/gmoserver/6/4/sd0010364/files/eccube-2.12.6v2/data/class/SC_Query.php(1007): trigger_error