Hi Ciaran, I have the same issue. Ive managed to scrape the following form data from a test but I cant see what is invalid. Can you point me in the right direction? form_key:LzHlnU6qqq8cRXLy business:XXXXX invoice:100000775 currency_code:GBP paymentaction:sale return:XXXXX cancel_return:XXXXX notify_url:XXXXX bn:Magento_Cart_Community item_name:The Wedding Parcel lc:en_GB charset:utf-8 amount:3.99 tax:0.00 shipping:1.99 discount_amount:0.00 item_number_1:save-the-date-magnets item_name_1:Save The Date Magnets quantity_1:1 amount_1:2.00 item_number_2:Courier - DHL Standard / Royal Mail item_name_2:Shipping quantity_2:1 amount_2:1.99 cmd:_cart upload:1 tax_cart:0.00 discount_amount_cart:0.00 city:Stourport-on-Severn country:GB email:XXXX first_name:Tom last_name:Test zip:DY13 8PT state:Worcestershire address1:60, Test Road address2:60, Test Road address_override:1 Many Thanks
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