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 format of the field is incorrect.|
The vads_tax_rate field allows to define the tax rate (VAT) applied to orders made in the shop. Its format must be (enum).
The possible values are:
Check that the value entered in the form is correct.
|The amount contains forbidden characters (comma, %, etc.).|
The value must be expressed in XX.XX format, with a dot as the separator and without the percentage % suffix.
Examples of errors: