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My client was having trouble with duplicate orders that had the same order ID in the Orders view. The receipts would have an order ID with a suffix "#1" and "#2". If the order had two products, the products were split between the orders. The payments weren't split, there was just one transaction. In this case it was caused by the advanced stock management. It seems that a product MUST be assigned to a stock, or otherwise no delivery method is available at the cart. ANYHOW, if you add two products in cart where the other product has been assigned to a stock and the other one is not, it was possible to finish the order, but the products were split to two orders. I assigned all the products to the main stock with CSV, and everything seems to work now. I wanted to share the problem I had if it helps some other people too. Prestashop version is 1.6.1.9.

Ciao a tutti, scrivo causa il problema degli ordini duplicati, relativo a molte versioni di PS, e collegato a quanto pare al browser (da me succede solo tramite carta di credito, pagamento POS). Qua viene spiegato il motivo (lingua inglese): https://www.prestashop.com/forums/topic/293374-duplicate-shopping-cart-and-orders/page-3?do=findComment&comment=2171973 Dato che si tratta di un problema non legato a PS, è possibile raggirarlo, bloccando gli ordini duplicati effettuati entro un certo range di tempo, e facendone passare solo uno? In questa maniera almeno si impediscono eventuali errori di invii multipli. Grazie, Gian

Prestashop version:1.5.6.2 I didn't do any change before the problem happen. Suddenly,in my back office,each orders by customers generate duplicate orders，two orders are same and generate the same time. I checked the apache error log,there's no record about this. i follow some director's suggestion,i have actived the debug module,it shows like this. Strict Standards: Declaration of paybox::validateOrder() should be compatible with that of PaymentModuleCore::validateOrder() in /var/www/classes/module/Module.php on line 919 The first,we think it's paybox's problem,but after i contact with their service,they checked some details,they think it's not their problem. So,i hope somebody could give me some suggestions. Thanks.