Craig Cooper

Ok, so I dug into the code and I found this at line 366:

$row_base_price = $_product->get_price() * $this->discount_coeffs[$this->get_actual_id( $_product )]['coeff'];

I changed it to this:

$row_base_price = round($_product->get_price() * $this->discount_coeffs[$this->get_actual_id( $_product )]['coeff'],2);

And now the prices are rounded BEFORE they are calculated. So if your price is 0.7525 or something similar after the discount is calculated it is rounded to two decimal places (standard for many currencies) before it is multiplied by the quantity for the subtotal.

So the discount is technically less precise but it means you can actually checkout with Paypal.

I’m getting this very same error.

I think if we could round the amount at the point of discount it will solve the problem.

In my case I have 0.85 with a 15% discount which is 0.7225.

Unfortunately paypal receives 0.72 and so with any quantity greater than 4 there is a mismatch in paypal’s calculation of the amount and WooCommerce’s.

Do you have the GoSquared tracking code plugin? Or is it built into the theme?