当客户在 Magento 的结帐过程中并被重定向到他的后台网站以完成付款时。如果他们取消付款并被重定向回magento商店，则无法再下订单，我收到此错误电子邮件：
SQLSTATE [23000]：完整性约束违规：1062 键“UNQ_SALES_FLAT_ORDER_INCREMENT_ID”的重复条目“MF00000007”，查询为：INSERT INTO
sales_flat_order(coupon_code,protect_code,shipping_description,is_virtual,store_id,customer_id,base_discount_amount,base_grand_total,base_shipping_amount,base_shipping_tax_amount,base_subtotal,base_tax_amount,base_to_global_rate,base_to_order_rate,discount_amount,grand_total,shipping_amount,shipping_tax_amount,store_to_base_rate,store_to_order_rate,subtotal,tax_amount, , , , , , , , , , , , , , , , , , , , , , ,total_qty_orderedcustomer_is_guestcustomer_note_notifycustomer_group_idquote_idbase_shipping_discount_amountbase_subtotal_incl_taxshipping_discount_amountsubtotal_incl_taxweightcustomer_dobincrement_idapplied_rule_idsbase_currency_codecustomer_emailcustomer_firstnamecustomer_lastnamecustomer_middlenamecustomer_prefixcustomer_suffixcustomer_taxvatdiscount_descriptionglobal_currency_codeorder_currency_code,remote_ip,shipping_method,store_currency_code,store_name,x_forwarded_for,customer_note,created_at,updated_at,total_item_count,customer_gender,hidden_tax_amount,base_hidden_tax_amount,shipping_hidden_tax_amount,base_shipping_hidden_tax_amnt,shipping_incl_tax,base_shipping_incl_tax,gift_message_id) 值 (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, '2016-02-11 15:39:09', '2016-02-11 15:39:09', ?, ?, ?, ?, ?, ?, ?, ?, ?)
有人可以帮我解决这个问题吗，我们还有另一个客户也遇到了同样的问题...
最好的问候，罗伯特