(10412) Duplicate Invoice: Payment Has Already Been Made For This Invoiceid

(10412) Duplicate invoice: Payment has already been made for this InvoiceID

anyone with solution to this problem 4.5.1. ? paypal express is in use

thank you

Please check our answer here

https://forum.cs-cart.com/topic/46744-paypal-payments-pro-causing-random-incomplete-orders

Please check our answer here

https://forum.cs-cart.com/topic/46744-paypal-payments-pro-causing-random-incomplete-orders

the solution is simple... the prefix on paypal setting has to be added..its also in cs cart docs

the solution is simple... the prefix on paypal setting has to be added..its also in cs cart docs

Prefix will be the same for all orders. Our solution makes order_id for each transaction unique