I have installed Paypal Express, all works, except when order is below 'Free Shipping' I get this error:
There is a 'delivery surcharge' is set for sales under £100 - So it is free shipping, but not really a shipping option, it is a delivery surcharge.
Magento Version: 188.8.131.52
Crickeys am I unique and no-one ever had this error before?
The temporary solution for this issue that, you can disable transfer cart line items from admin.
Stores->Configuration->Sales->Payment Method->Paypal->Configure->Advanced Settings->Transfer Cart Line Items
Which means that PayPal only receives Subtotal, Tax, Discount and shipping amount not receive cart items amount.
if issue solved,Click Kudos & Accept as Solution