In PRODUCTION mode, if your Buyer gets an error message such as:
|An error occurred during the payment request, please make sure that the posted parameters match the ones specified in the documentation.|
It becomes impossible to make the payment and the transaction is definitively lost.
You will receive an e-mail notification containing the form that the gateway was unable to process and the value of the invalid field.
We invite you to check the following reason(s) to resolve the issue:
|The type of the shopping cart items is mandatory for this payment type.|
You have requested to create a payment on a network that requires the transmission of the type of the shopping cart items (vads_product_typeN field).
The list of accepted values depends on the network. See the documentation of the corresponding payment method.
To resolve the issue:
(N corresponds to the index of the product in the cart).