Message: WARNING: SHIPPING has the value "$XX.XX". Shipping must match this order's calculated amount "$XX.XX"
Explanation: The shipping amount supplied for the order does not match the sum of the SHIPPING## fields.
Suggested Resolution: Verify that you have supplied shipping amounts at the product level in the SHIPPING## fields. These fields must add up to match the order level shipping field.
Special Considerations: If you are not charging shipping on an item-by-item basis on only at an order level, you can set the shipping amount to the first product on the order in SHIPPING01.