B2B Trade Store - Order Amount Does Not Match Payment Amount
This error can occur frequently if you have a shipping method based on the cart. When the quantity is adjusted in the cart of the checkout page, it adjusts the shipping cost (cart based rate) value. This does not update the cached value of the order total.
b2b-trade-store
If your B2B Trade Store has a shipping method based on the cart value, you will need to notify your B2B customers that they should refresh their page before placing the order on the trade store to prevent this from occurring.
Alternatively, you can follow these steps: